Hermawan H. IMPLEMENTASI “PROBLEM BASED LEARNING” DALAM MENINGKATKAN KEMAMPUAN MEMECAHKAN MASALAH HAM DI MATA PELAJARAN PPKN. JIRK [Internet]. 2022 Dec. 20 [cited 2025 Jul. 5];2(7):2875-86. Available from: https://mail.bajangjournal.com/index.php/JIRK/article/view/4257