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