Iskandar, Efendi, R., Harahap , R. R. . and Yusti, I. (2022) “Project-Based Learning Case Studied Model to Improving Learner Skills on Industry Revolution 4.0”, Jurnal Pendidikan dan Pengajaran, 55(3), pp. 480–491. doi: 10.23887/jpp.v55i3.43799.