รังคะราช ว. The Development of CIPPA MODEL by using Multimedia for Developing the Learning Achievement and Analytical Thinking on Title “Similarity” in Mathematics 5 for Matayomsuksa 3 Students. J Roi Et [internet]. 2017 Dec. 31 [cited 2026 Sep. 11];11(2):183-92. available from: https://so03.tci-thaijo.org/index.php/reru/article/view/176363