Mapracha, K., Hudcharoen, T. and Chanfoy, P. (2021) “The Studying Mathematics Learning Achievement on Function by Using Self-Study Activity Packages of Grade 10 Room 7 Students Taweethapisek School”, Journal of Modern Learning Development, 6(5), pp. 1–11. available at: https://so06.tci-thaijo.org/index.php/jomld/article/view/249104 (accessed: 2 October 2026).