Hidayat, Hendra, et al. “The Empirical Analysis of Industrial Work Challenges in the Industrial Revolution 5.0 Towards a Grade Point Average (GPA) for Electronic Engineering Education Students”. International Journal of Online and Biomedical Engineering (iJOE), vol. 17, no. 09, Sept. 2021, pp. pp. 21-34, doi:10.3991/ijoe.v17i09.25679.