Mapracha K, Hudcharoen T, Chanfoy P. The Studying Mathematics Learning Achievement on Function by Using Self-Study Activity Packages of Grade 10 Room 7 Students Taweethapisek School. jomld [internet]. 2021 Jun. 4 [cited 2026 Oct. 2];6(5):1-11. available from: https://so06.tci-thaijo.org/index.php/jomld/article/view/249104