Cynthia Tamara, N., Supriyati, Y., & Fahdiran, R. (2019). PENGEMBANGAN BAHAN AJAR DAMPAK PEMANASAN GLOBAL BERBASIS PROBLEM BASED LEARNING MANAGEMENT SYSTEM (LMS) SCHOOLOGY. PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL), 8, SNF2019-PE. https://doi.org/10.21009/03.SNF2019.01.PE.35