Desnita, D., Raihanati, R., & Leonda, M. A. (2014). STRATEGI WORKSHOP PENYUSUNAN BAHAN AJAR FISIKA BERBASIS PROBLEM BASED LEARNING BAGI GURU SMA/MA. PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL), 3, 190 - 195. Retrieved from https://journal.unj.ac.id/unj/index.php/prosidingsnf/article/view/5504