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Keyword: teacher education

Research Article

Developing reflective competence in prospective mathematics teachers by analyzing textbooks lessons

María José Castillo Céspedes, María Burgos Navarro

EURASIA J Math Sci Tech Ed, Volume 18, Issue 6, Article No: em2121

https://doi.org/10.29333/ejmste/12092

Research Article

Evaluation of an elementary teacher education program to promote argument instruction

Tomokazu Yamamoto, Shinichi Kamiyama

EURASIA J Math Sci Tech Ed, Volume 18, Issue 5, Article No: em2104

https://doi.org/10.29333/ejmste/11966

Research Article

Teachers’ Understanding of Generalizing and Justifying in a Professional Development Course

Leonor Santos, Joana Mata-Pereira, João Pedro da Ponte, Hélia Oliveira

EURASIA J Math Sci Tech Ed, Volume 18, Issue 1, Article No: em2067

https://doi.org/10.29333/ejmste/11488

Research Article

Examining Pre-service Science Teachers’ Pedagogical Content Knowledge Through Lesson Study

Teresa Conceição, Mónica Baptista, João Pedro da Ponte

EURASIA J Math Sci Tech Ed, Volume 18, Issue 1, Article No: em2060

https://doi.org/10.29333/ejmste/11442

Research Article

Using Interactive Platform “Round” to Organize Online Leisure Activities for Children During the Pandemic

Leysan R. Kayumova, Liliya N. Gainullina, Roza Sh. Akhmadieva, Valentin V. Matvienko, Ekaterina L. Kabakhidze

EURASIA J Math Sci Tech Ed, Volume 17, Issue 10, Article No: em2016

https://doi.org/10.29333/ejmste/11182

Research Article

Student Teachers’ Perceptions of Factors Influencing Learner Agency Working in Teams in a STEAM-Based Course

Youmen Chaaban, Saba Qadhi, Xiangyun Du

EURASIA J Math Sci Tech Ed, Volume 17, Issue 7, Article No: em1980

https://doi.org/10.29333/ejmste/10978

Research Article

Development of a Learning Environment to Enhance Preservice Physics Teachers’ Diagnostic Competence in Terms of Students’ Conceptions

Ingrid Krumphals, Claudia Haagen-Schützenhöfer

EURASIA J Math Sci Tech Ed, Volume 17, Issue 6, Article No: em1972

https://doi.org/10.29333/ejmste/10898

Research Article

Preparing Pre-Service Teachers for Mathematics Teaching at Primary Schools in Vietnam

Phan Thi Tinh, Trinh Thi Tuyet Le, Phuong-Thao Nguyen, Cuong Duy Le, Manh-Tuan Nguyen, Tien-Trung Nguyen

EURASIA J Math Sci Tech Ed, Volume 17, Issue 5, Article No: em1966

https://doi.org/10.29333/ejmste/10863

Research Article

Pre-service Science Teachers’ Pedagogical Content Knowledge Integration of Students’ Understanding in Science and Instructional Strategies

Johannes Sæleset, Patricia Friedrichsen

EURASIA J Math Sci Tech Ed, Volume 17, Issue 5, Article No: em1965

https://doi.org/10.29333/ejmste/10859

Research Article

The Relevance of Current Ethiopian Primary School Teacher Education Program for Pre-service Mathematics Teacher’s Knowledge and Teacher Educator’s Awareness about Mathematics Knowledge for Teaching

Anteneh Tefera, Mulugeta Atnafu, Kassa Michael

EURASIA J Math Sci Tech Ed, Volume 17, Issue 5, Article No: em1964

https://doi.org/10.29333/ejmste/10858

Research Article

Informal Formative Assessment Conversations in Mathematics: Focusing on Preservice Teachers’ Initiation, Response and Follow-up Sequences in the Classroom

Mihwa Park, Minju Yi, Raymond Flores, Bangtam Nguyen

EURASIA J Math Sci Tech Ed, Volume 16, Issue 10, Article No: em1884

https://doi.org/10.29333/ejmste/8436

Research Article

Indonesian Teachers’ Knowledge of ICT and the Use of ICT in Secondary Mathematics Teaching

Mailizar, Lianghuo Fan

EURASIA J Math Sci Tech Ed, Volume 16, Issue 1, Article No: em1799

https://doi.org/10.29333/ejmste/110352

Research Article

Generalizing and Proving in an Elementary Mathematics Teacher Education Program: Moving Beyond Logic

Paul Weinberg

EURASIA J Math Sci Tech Ed, Volume 15, Issue 9, Article No: em1740

https://doi.org/10.29333/ejmste/108450

Research Article

Confronting Mathematical Pseudo-Community: A Domain-specific Analysis of a Middle School Mathematics Department

Paul Weinberg

EURASIA J Math Sci Tech Ed, Volume 15, Issue 7, Article No: em1715

https://doi.org/10.29333/ejmste/106055

Research Article

Preservice Teachers’ Confidence and Preferred Teaching Strategies using TeachLivE ™ Virtual Learning Environment: A Two-Step Cluster Analysis

Susan Ledger, Zara Ersozlu, John Fischetti

EURASIA J Math Sci Tech Ed, Volume 15, Issue 3, Article No: em1674

https://doi.org/10.29333/ejmste/102621

Research Article

Analyzing the Impact of Video Representation Complexity on Preservice Teacher Noticing of Children’s Thinking

Alison Superfine, John Bragelman

EURASIA J Math Sci Tech Ed, Volume 14, Issue 11, Article No: em1650

https://doi.org/10.29333/ejmste/99501

Research Article

Relationships between Pre-service Teachers’ Social Media Usage in Informal Settings and Technological Pedagogical Content Knowledge

Wilfred W. F. Lau

EURASIA J Math Sci Tech Ed, Volume 14, Issue 12, Article No: em1611

https://doi.org/10.29333/ejmste/94228

Research Article

Teachers’ Beliefs About, Attitudes Toward, and Intention to Use Technology-Based Assessments: a Structural Equation Modeling Approach

Sung-Pei Chien, Hsin-Kai Wu, Pai-Hsing Wu

EURASIA J Math Sci Tech Ed, Volume 14, Issue 10, Article No: em1594

https://doi.org/10.29333/ejmste/93379

Research Article

Analysing Teachers’ Representations of Digital Technology Using a Grounded Theory Approach

Rodica Ailincai, Zehra Gabillon

EURASIA J Math Sci Tech Ed, Volume 14, Issue 10, Article No: em1595

https://doi.org/10.29333/ejmste/93380

Research Article

Examining Factors that Influence on Elementary Teachers’ Perceptions in a Graduate Level Interdisciplinary Environmental Education Program: Using ePCK as a Framework

Young Joo Lee, Hye-Eun Chu, Sonya N. Martin

EURASIA J Math Sci Tech Ed, Volume 14, Issue 10, Article No: em1574

https://doi.org/10.29333/ejmste/92184

Research Article

Exploring the Effectiveness of Video-Vignettes to Develop Mathematics Student Teachers’ Feedback Competence

Laura Muñiz-Rodríguez, Pedro Alonso, Luis J. Rodríguez-Muñiz, Karen De Coninck, Ruben Vanderlinde, Martin Valcke

EURASIA J Math Sci Tech Ed, Volume 14, Issue 11, Article No: em1573

https://doi.org/10.29333/ejmste/92022

Research Article

Pre-service K-8 Teachers’ Professional Noticing and Strategy Evaluation Skills: An Exploratory Study

Vecihi S. Zambak, Marta T. Magiera

EURASIA J Math Sci Tech Ed, Volume 14, Issue 11, Article No: em1572

https://doi.org/10.29333/ejmste/92021

Research Article

Analysing and Improving Students’ Mathematics Skills Using ICT-Tools

Seppo Pohjolainen, Ossi Nykänen, Janne Venho, Jussi Kangas

EURASIA J Math Sci Tech Ed, Volume 14, Issue 4, pp. 1221-1227

https://doi.org/10.29333/ejmste/81869

Research Article

Analyzing the Growth of a Pre-Service Science Teacher Community through the Lens of Cultural Historical Activity Theory: The Case of a Three-Year Voluntary Science Teaching Program

Seyoung Hwang, Namsoo Kim, Sang-Hak Jeon, Hyeon-Pyo Shim, Kum-Bok Ryu

EURASIA J Math Sci Tech Ed, Volume 14, Issue 4, pp. 1133-1145

https://doi.org/10.29333/ejmste/81810

Research Article

Preservice Science Teachers’ Instructional Design Competence: Characteristics and Correlations

Ronghua Zhang, Xiufeng Liu, Yang, Jennifer Tripp, BoYu Shao

EURASIA J Math Sci Tech Ed, Volume 14, Issue 3, pp. 1075-1096

https://doi.org/10.12973/ejmste/81553

Literature Review

Typologies of Didactical Strategies and Teachers’ Pedagogical Beliefs: A Theoretical Review

Abid Shahzad, Irshad Hussain, Rafaquat Ali, Martin Valcke, Khalid Khurshid

EURASIA J Math Sci Tech Ed, Volume 13, Issue 10, pp. 6583-6596

https://doi.org/10.12973/ejmste/78159

Research Article

Differences and Developments in Attitudes and Self-Efficacy of Prospective Chemistry Teachers Concerning the Use of ICT in Education

Moritz Krause, Verena Pietzner, Yehudit Judy Dori, Ingo Eilks

EURASIA J Math Sci Tech Ed, Volume 13, Issue 8, pp. 4405-4417

https://doi.org/10.12973/eurasia.2017.00935a

Research Article

How Education Affects Mathematics Teachers' Knowledge: Unpacking Selected Aspects of Teacher Knowledge

Mika Koponen, Mervi A Asikainen, Antti Viholainen, Pekka E Hirvonen

EURASIA J Math Sci Tech Ed, Volume 13, Issue 6, pp. 1943-1980

https://doi.org/10.12973/eurasia.2017.01209a

Research Article

Mathematics Student Teachers’ Epistemological Beliefs about the Nature of Mathematics and the Goals of Mathematics Teaching and Learning in the Beginning of Their Studies

Antti Viholainen, Mervi Asikainen, Pekka E. Hirvonen

EURASIA J Math Sci Tech Ed, Volume 10, Issue 2, pp. 159-171

https://doi.org/10.12973/eurasia.2014.1028a

Research Article

Scientific Research Activity of Students Pre-Service Teachers of Sciences at University: The Aspects of Understanding, Situation and Improvement

Vincentas Lamanauskas, Dalia Augienė

EURASIA J Math Sci Tech Ed, Volume 13, Issue 1, pp. 223-236

https://doi.org/10.12973/eurasia.2017.00613a

Research Article

A Comparison of Experienced and Preservice Elementary School Teachers’ Content Knowledge and Pedagogical Content Knowledge about Electric Circuits

Jing-Wen Lin

EURASIA J Math Sci Tech Ed, Volume 13, Issue 3, pp. 835-856

https://doi.org/10.12973/eurasia.2017.00646a

Research Article

Physics Teacher Knowledge Aimed in Pedagogical Studies in Finland and in South Korea

Heidi Krzywacki, Byeong-chan Kim, Jari Lavonen

EURASIA J Math Sci Tech Ed, Volume 13, Issue 1, pp. 201-222

https://doi.org/10.12973/eurasia.2017.00612a

Research Article

Developing Pre-service Teachers’ Capacity in Teaching Science with Technology Through Microteaching Lesson Study Approach

George Zhou, Judy Xu, Dragana Martinovic

EURASIA J Math Sci Tech Ed, Volume 13, Issue 1, pp. 85-103

https://doi.org/10.12973/eurasia.2017.00605a

Research Article

Attitudes of Pre-Service Mathematics Teachers towards Modelling: A South African Inquiry

Gerrie J Jacobs, Rina Durandt

EURASIA J Math Sci Tech Ed, Volume 13, Issue 1, pp. 61-84

https://doi.org/10.12973/eurasia.2017.00604a

Research Article

Changes in How Prospective Teachers Anticipate Secondary Students’ Answers

Salvador Llinares, Ceneıda Fernández, Gloria Sánchez-Matamoros

EURASIA J Math Sci Tech Ed, Volume 12, Issue 8, pp. 2155-2170

https://doi.org/10.12973/eurasia.2016.1295a

Research Article

Investigating Preservice Mathematics Teachers’ Manipulative Material Design Processes

Hakan Şandır

EURASIA J Math Sci Tech Ed, Volume 12, Issue 8, pp. 2103-2114

https://doi.org/10.12973/eurasia.2016.1292a

Research Article

Pre-service Science Teacher Education System in South Korea: Prospects and Challenges

Sungmin Im, Hye-Gyoung Yoon, Jeongho Cha

EURASIA J Math Sci Tech Ed, Volume 12, Issue 7, pp. 1863-1880

https://doi.org/10.12973/eurasia.2016.1533a

Research Article

Pre-Service Physics and Chemistry Teachers’ Conceptual Integration of Physics and Chemistry Concepts

Mustafa Tuysuz, Oktay Bektas, Omer Geban, Gokhan Ozturk, Bugrahan Yalvac

EURASIA J Math Sci Tech Ed, Volume 12, Issue 6, pp. 1549-1568

https://doi.org/10.12973/eurasia.2016.1244a

Research Article

ICT Student Teachers’ Pedagogical Content Knowledge: A Case Study

Nuray Parlak Yilmaz

EURASIA J Math Sci Tech Ed, Volume 12, Issue 1, pp. 133-152

https://doi.org/10.12973/eurasia.2016.1217a

Research Article

Analyzing Pre-Service Primary Teachers’ Fraction Knowledge Structures through Problem Posing

Cigdem Kilic

EURASIA J Math Sci Tech Ed, Volume 11, Issue 6, pp. 1603-1619

https://doi.org/10.12973/eurasia.2015.1425a

Research Article

Science Education and Education for Sustainable Development – Justifications, Models, Practices and Perspectives

Ingo Eilks

EURASIA J Math Sci Tech Ed, Volume 11, Issue 1, pp. 149-158

https://doi.org/10.12973/eurasia.2015.1313a

Research Article

Pre-service Secondary Mathematics Teachers’ Behaviors in the Proving Process

Işıkhan Uğurel, Hasibe Sevgi Moralı, Melike Yiğit-Koyunkaya, Özge Karahan

EURASIA J Math Sci Tech Ed, Volume 12, Issue 2, pp. 203-231

https://doi.org/10.12973/eurasia.2016.1523a

Research Article

Mathematics Teacher-Candidates’ Performance in Solving Problems with Different Representation Styles: The Trigonometry Example

Sefa Dündar

EURASIA J Math Sci Tech Ed, Volume 11, Issue 6, pp. 1379-1397

https://doi.org/10.12973/eurasia.2015.1396a

Research Article

Lexical and Indexical Conversational Components That Mediate Professional Noticing During Lesson Study

Ingrid S. Weiland Carter, Julie Amador

EURASIA J Math Sci Tech Ed, Volume 11, Issue 6, pp. 1339-1361

https://doi.org/10.12973/eurasia.2015.1392a

Research Article

Pre-service Physics Teachers’ Metacognitive Knowledge about Their Instructional Practices

Sevda Yerdelen-Damar, Ömer Faruk ÖZDEMIR, Cezmi ÜNAL

EURASIA J Math Sci Tech Ed, Volume 11, Issue 5, pp. 1009-1026

https://doi.org/10.12973/eurasia.2015.1370a

Research Article

Epistemological Predictors of Prospective Biology Teachers’ Nature of Science Understandings

Pınar Koseoglu, Mustafa Serdar Köksal

EURASIA J Math Sci Tech Ed, Volume 11, Issue 4, pp. 751-763

https://doi.org/10.12973/eurasia.2015.1383a

Research Article

Tracking the Footprints of Nature of Science in the Path of Learning How to teach it

Kader Bilican, Yasemin Ozdem-Yılmaz, Ceren Oztekin

EURASIA J Math Sci Tech Ed, Volume 10, Issue 6, pp. 595-608

https://doi.org/10.12973/eurasia.2014.1121a

Research Article

Facilitating Reflexivity in Preservice Science Teacher Education Using Video Analysis and Cogenerative Dialogue in Field-Based Methods Courses

Christina Siry, Sonya N. Martin

EURASIA J Math Sci Tech Ed, Volume 10, Issue 5, pp. 481-508

https://doi.org/10.12973/eurasia.2014.1201a

Research Article

Outreach Science Education: Evidence-Based Studies in a Gene Technology Lab

Franz-Josef Scharfenberg, Franz X. Bogner

EURASIA J Math Sci Tech Ed, Volume 10, Issue 4, pp. 329-341

https://doi.org/10.12973/eurasia.2014.1086a

Research Article

Mathematics Teachers’ views on CPD Provision and the Impact on their Professional Practice

Nasser Mansour, Abdullah Albalawi, Flora Macleod

EURASIA J Math Sci Tech Ed, Volume 10, Issue 2, pp. 101-114

https://doi.org/10.12973/eurasia.2014.1020a

Research Article

What do Pre-Service Physics Teachers Know and Think about Concept Mapping

Nilüfer Didiş, Özgür Özcan, Ali Azar

EURASIA J Math Sci Tech Ed, Volume 10, Issue 2, pp. 77-87

https://doi.org/10.12973/eurasia.2014.1031a

Research Article

Supporting Reform in Science Education in Central and Eastern Europe - Reflections and Perspectives from the Project TEMPUS-SALiS

Marika Kapanadze, Ingo Eilks

EURASIA J Math Sci Tech Ed, Volume 10, Issue 1, pp. 47-58

https://doi.org/10.12973/eurasia.2014.1016a

Research Article

Modeling Attitude toward Statistics by a Structural Equation

Milka Elena Escalera-Chávez, Arturo García-Santillán, Francisco Venegas-Martínez

EURASIA J Math Sci Tech Ed, Volume 10, Issue 1, pp. 23-31

https://doi.org/10.12973/eurasia.2014.1019a

Research Article

Factors that Influence the Understanding of Good Mathematics Teaching

Kwan Eu Leong

EURASIA J Math Sci Tech Ed, Volume 9, Issue 3, pp. 319-328

https://doi.org/10.12973/eurasia.2013.939a

Research Article

In-Service Training of Chemistry Teachers: The Use of Multimedia in Teaching Chemistry

Celeste Ferreira, Mónica Baptista, Agnaldo Arroio

EURASIA J Math Sci Tech Ed, Volume 9, Issue 3, pp. 301-310

https://doi.org/10.12973/eurasia.2013.937a

Research Article

Enhancing Pre-service Physics Teachers’ Perceived Self-efficacy of Argumentation-based Pedagogy through Modelling and Mastery Experiences

Feral Ogan-Bekiroglu, Mehmet Aydeniz

EURASIA J Math Sci Tech Ed, Volume 9, Issue 3, pp. 233-245

https://doi.org/10.12973/eurasia.2013.932a

Research Article

A Broad View on Georgian Science Teachers' and Science Student Teachers' Beliefs about Teaching and Learning

Marika Kapanadze, Silvija Markic

EURASIA J Math Sci Tech Ed, Volume 9, Issue 2, pp. 143-154

https://doi.org/10.12973/eurasia.2013.925a

Research Article

Elementary Teachers’ Views of their Science Professional Development Attendance: An Expectancy-Value Approach

Margareta Maria Thomson, Elisha Kaufmann

EURASIA J Math Sci Tech Ed, Volume 9, Issue 1, pp. 45-58

https://doi.org/10.12973/eurasia.2013.915a

Research Article

Using Mathematics in Teaching Science Self-efficacy Scale – UMSSS: A Validity and Reliability Study

Bilge Taşkın Can, Berna Cantürk Günhan, Sevinç Öngel Erdal

EURASIA J Math Sci Tech Ed, Volume 8, Issue 4, pp. 269-281

https://doi.org/10.12973/eurasia.2012.845a

Research Article

Problem Solving and Emotional Education in Initial Primary Teacher Education

Ana Caballero, Lorenzo J. Blanco, Eloísa Guerrero

EURASIA J Math Sci Tech Ed, Volume 7, Issue 4, pp. 281-292

https://doi.org/10.12973/ejmste/75206

Research Article

Changing Science Teaching Practice in Early Career Secondary Teaching Graduates

Rex Bartholomew, Azra Moeed, Dayle Anderson

EURASIA J Math Sci Tech Ed, Volume 7, Issue 1, pp. 53-61

https://doi.org/10.12973/ejmste/75178

Research Article

Pre-Service Elementary Teachers’ Understandings of Graphs

Cengiz Alacaci, Scott Lewis, George E. O’Brien, Zhonghong Jiang

EURASIA J Math Sci Tech Ed, Volume 7, Issue 1, pp. 3-14

https://doi.org/10.12973/ejmste/75171

Interview

A Conversation with Michael R. Matthews: The Contribution of History and Philosophy of Science to Science Teaching and Research

Yalçın Yalaki, Gültekin Çakmakcı

EURASIA J Math Sci Tech Ed, Volume 6, Issue 4, pp. 287-309

https://doi.org/10.12973/ejmste/75250

Research Article

Development and Factor Analysis of an Instrument to Measure Preservice Teachers’ Perceptions of Learning Objects

Sami Şahin

EURASIA J Math Sci Tech Ed, Volume 6, Issue 4, pp. 253-261

https://doi.org/10.12973/ejmste/75247

Research Article

Developing Mathematics Knowledge Keepers - Issues at the Intersection of Communities of Practice

Dianne E. Siemon

EURASIA J Math Sci Tech Ed, Volume 5, Issue 3, pp. 221-234

https://doi.org/10.12973/ejmste/75274

Interview

An Interview with Richard Gunstone: Emeritus Professor of Science and Technology Education, Monash University, Australia

Dianne E. Siemon

EURASIA J Math Sci Tech Ed, Volume 5, Issue 3, pp. 209-219

https://doi.org/10.12973/ejmste/75273

Interview

Expanding the Field of Science Education: A conversation with Ken Tobin

Christina Siry

EURASIA J Math Sci Tech Ed, Volume 5, Issue 3, pp. 197-208

https://doi.org/10.12973/ejmste/75272

Research Article

The Development of Pre-Service Science Teachers’ Professional Knowledge in utilizing ICT to Support Professional Lives

Savittree Rochanasmita Arnold, Michael J. Padilla, Bupphachart Tunhikorn

EURASIA J Math Sci Tech Ed, Volume 5, Issue 2, pp. 91-101

https://doi.org/10.12973/ejmste/75261

Research Article

Beliefs about Using Technology in the Mathematics Classroom: Interviews with Pre-service Elementary Teachers

Cheng-Yao Lin

EURASIA J Math Sci Tech Ed, Volume 4, Issue 2, pp. 135-142

https://doi.org/10.12973/ejmste/75313

Research Article

Developing a Tool to Evaluate Differences in Beliefs About Science Teaching and Learning Among Freshman Science Student Teachers from Different Science Teaching Domains: A Case Study

Silvija Markic, Ingo Eilks, Nicos Valanides

EURASIA J Math Sci Tech Ed, Volume 4, Issue 2, pp. 109-120

https://doi.org/10.12973/ejmste/75311

Research Article

The History of Development of Turkish Elementary Teacher Education and the Place of Science Courses in the Curriculum

Lütfullah Türkmen

EURASIA J Math Sci Tech Ed, Volume 3, Issue 4, pp. 327-341

https://doi.org/10.12973/ejmste/75412

Research Article

Field-Based Internship Models for Alternative Certification of Science and Mathematics Teachers: Views of Interns, Mentors, and University Educators

Fran Arbaugh, Sandra Abell, John Lannin, Mark Volkmann, William Boone

EURASIA J Math Sci Tech Ed, Volume 3, Issue 3, pp. 191-201

https://doi.org/10.12973/ejmste/75398

Research Article

Learning to Teach Argumentation: Case Studies of Pre-service Secondary Science Teachers

Sibel Erduran, Dilek Ardac, Buket Yakmaci-Guzel

EURASIA J Math Sci Tech Ed, Volume 2, Issue 2, pp. 1-14

https://doi.org/10.12973/ejmste/75442

Research Article

Teaching Science in an Inquiry-Based Learning Environment: What It Means for Pre-Service Elementary Science Teachers

Esra Macaroglu Akgul

EURASIA J Math Sci Tech Ed, Volume 2, Issue 1, pp. 71-81

https://doi.org/10.12973/ejmste/75439

Research Article

Preservice and Experienced Biology Teachers' Global and Specific Subject Matter Structures: Implications for Conceptions of Pedagogical Content Knowledge

Fouad Abd-El-Khalick

EURASIA J Math Sci Tech Ed, Volume 2, Issue 1, pp. 1-29

https://doi.org/10.12973/ejmste/75435

Research Article

Scientific Argumentation In Pre-service Biology Teacher Education

Agustín Adúriz-Bravo, Leonor Bonan, Leonardo González Galli, Andrea Revel Chion, Elsa Meinardi

EURASIA J Math Sci Tech Ed, Volume 1, Issue 1, pp. 76-83

https://doi.org/10.12973/ejmste/75333