Juwita, I., Kamil, I., Jonrinaldi, J., Yuliandra, B. and Halim, I. 2020. Mastery of Skills 4.0 Effect on The Readiness of College Students in Facing Revolution of Industry 4.0. Jurnal Optimasi Sistem Industri. 19, 1 (Jun. 2020), 1–11. DOI:https://doi.org/10.25077/josi.v19.n1.p1-11.2020.