Rafiola, R. H., Setyosari, P., Radjah, C. L., & Ramli, M. (2020). The Effect of Learning Motivation, Self-Efficacy, and Blended Learning on Students’ Achievement in The Industrial Revolution 4.0. International Journal of Emerging Technologies in Learning (iJET), 15(08), pp. 71–82. https://doi.org/10.3991/ijet.v15i08.12525