Ulang A, Suharti, Thamrin Tayeb. Development of A Problem Based Learning (PBL) Module on Algebra Operation Material for Class 7. ajme [Internet]. 2022Dec.1 [cited 2024Sep.19];4(2):131-43. Available from: https://journal3.uin-alauddin.ac.id/index.php/ajme/article/view/33625