Syazali, Muhammad, and Mohammad Liwa Ilhamdi. “Implementation of Online Learning and Its Impact on Student Science Competency”. Jurnal Pijar Mipa 17, no. 2 (March 18, 2022): 192–198. Accessed January 31, 2023. https://jurnalfkip.unram.ac.id/index.php/JPM/article/view/3097.