1.
Meng CC, Idris N. Assessment of Pre-Service Secondary Mathematics Teachers’ Van Hiele Levels of Geometric Thinking. AJATeL [Internet]. 2012 Dec. 11 [cited 2024 Nov. 24];2:60-74. Available from: https://ejournal.upsi.edu.my/index.php/AJATeL/article/view/1924