Yaskhudi, A. K., Sitompul, N. C. ., & Hartono. (2022). Pengembangan E Modul Sejarah SMK Berbasis Problem Based Learning (PBL) pada Materi Orde Baru Kelas X. Journal of Practice Learning and Educational Development, 2(4), 157–162. https://doi.org/10.58737/jpled.v2i4.72