Siboro, A. (2021). PENGARUH MODEL PROBLEM BASED LEARNING BERBASIS LESSON STUDY TERHADAP HASIL BELAJAR KOGNITIF FISIKA SMA. JURNAL PENELITIAN FISIKAWAN, 3(2), 26-31. Retrieved from https://ejurnal.darmaagung.ac.id/index.php/jurnalpenelitianfisikawan/article/view/872