Keyword: dynamic geometry
Hyun Suk Chang, Ji Youn Kim, Bongju Lee
EURASIA J Math Sci Tech Ed, Volume 18, Issue 7, Article No: em2127
Somin Kim
EURASIA J Math Sci Tech Ed, Volume 14, Issue 10, Article No: em1590
Kan Kan Chan
EURASIA J Math Sci Tech Ed, Volume 11, Issue 1, pp. 139-148