I Nyoman Bayu Pramartha, Ni Putu Yuniarika Parwati. Analisis Penerapan Sintaks Model Pembelajaran Problem Based Learning Pada Mata Pelajaran Sejarah Materi Kelas XI Proklamasi Kemerdekaan Indonesia : Analysis of Problem Based Learning Model in History Subject, Grade XI Material Proclamation of Indonesian Independence. nirwasita [Internet]. 2025Mar.27 [cited 2025Apr.4];6(1):69-74. Available from: https://ojs.mahadewa.ac.id/index.php/nirwasita/article/view/4596