Naldi A, Lubis L, Nurmawati N. Reward and Punishment as Learning Motivation at Mts.S Al-Wasliyah Deli Serdang Regency. SY [Internet]. 20Dec.2024 [cited 23Feb.2025];12(2):457-82. Available from: https://journal.uinsi.ac.id/index.php/syamil/article/view/9916