Asra, A., Asrizal, A., Lufri, L., Imran, A., & Hardeli, H. (2021). Blended Learning Model for Learning in the 4.0 Industrial Revolution Era. Indonesian Journal Of Basic Education, 4(1), 28 - 41. Retrieved from https://e-jurnal.stkiprokania.ac.id/index.php/IJOBE/article/view/399