V. Syahril Chairani, M. Bruri, and D. Minghat, “Literature Review: Some of TVET Area Will Be Eliminated Due to Industrial Revolution 4.0, is That True?”, IJET, vol. 7, no. 4.33, pp. 161–165, Dec. 2018, doi: 10.14419/ijet.v7i4.33.23523.