Azzahra H, Yuanita P, Armis A. Development of teaching modules based on problem based learning to facilitate mathematical representation ability of phase E. Math Didactic [Internet]. 30 April 2024 [dikutip 6 Juli 2025];10(1):102-13. Tersedia pada: https://jurnal.stkipbjm.ac.id/index.php/math/article/view/2637