โฆสิตดุลย์ ด, นนทภา ด, นนทภา ด. The Visualization ability of Three Dimensional Geometric cross-sections Of The Elementary Students. ptujournal [Internet]. 2018 May 31 [cited 2024 May 4];10(1):92-100. Available from: https://so05.tci-thaijo.org/index.php/ptujournal/article/view/180823