NURUL MUFIDA S, SETYARSIH W. KTERLAKSANAAN MODEL PROBLEM BASED LAERNING UNTUK MELATIHKAN PHYSICS PROBLEM SOLVING ABILITY. IPF [Internet]. 2019 Jul. 29 [cited 2025 Nov. 2];8(3). Available from: https://ejournal.unesa.ac.id/index.php/inovasi-pendidikan-fisika/article/view/29758