Purba, Mortigor Afrizal, and Agus Defri Yando. “College Students Readiness Facing the Industrial Revolution 4.0”. Jurnal Mantik 4, no. 3 (November 1, 2020): 1746-1750. Accessed April 28, 2026. https://iocscience.org/ejournal/index.php/mantik/article/view/991.