Apriwanda, W. (2021) “Development Content Learning System (CLS) Material Inter-Molecular Force Based on Project Base Learning (PjBL) with Flipped Classrooms in Senior High School”, INTERNATIONAL JOURNAL OF HIGH INFORMATION, COMPUTERIZATION, ENGINEERING AND APPLIED SCIENCE (JHICE), 1(01), pp. 1–11. doi: 10.24036/jhice/vol1-iss01/34.