Chairuddin, Chairuddin, and Farman Farman. “The Comparison of Students’ Mathematical Problem Solving Ability through Students Teams Achievement Division (STAD) and Problem Based Learning (PBL)”. AL-ISHLAH: Jurnal Pendidikan, vol. 14, no. 3, July 2022, pp. 3349-60, doi:10.35445/alishlah.v14i3.1634.