Ulang, Arpani, Suharti, and Thamrin Tayeb. “Development of A Problem Based Learning (PBL) Module on Algebra Operation Material for Class 7”. Alauddin Journal of Mathematics Education 4, no. 2 (December 1, 2022): 131-143. Accessed November 21, 2024. https://journal3.uin-alauddin.ac.id/index.php/ajme/article/view/33625.