1.
Azhari M, Saragih SZ, Anjar A. The influence of the problem based learning (PBL) learning model on the learning outcomes of PPKN students in class X of private high schools Has Sepakat. EJR [Internet]. 2026Mar.13 [cited 2026Mar.15];5(2):228-36. Available from: https://jurnal.larisma.or.id/index.php/EJR/article/view/1518