陳天宏左台益Chen, Tian-hungTso, Tai-yih2014-10-272014-10-272003-10-??http://rportal.lib.ntnu.edu.tw/handle/20.500.12235/3200線對稱概念發展問卷設計典範現象線對稱概念發展之問卷設計The Study of Junior High School Students' Symmetry Concept Learning