Hasmar, F. A. ., Siswoyo, S. and Rustana, C. E. . (2020) “PENGEMBANGAN VIDEO PEMBELAJARAN GELOMBANG BUNYI MENGGUNAKAN MODEL PROBLEM BASED LEARNING (PBL)”, PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL), 9(1), p. SNF2020PF-131. doi: 10.21009/03.SNF2020.02.PF.19.