Kurniawan, M. R., and N. H. Rofiah. “PENGEMBANGAN KONTEN E-LEARNING MATAKULIAH MEDIA DAN SUMBER BELAJAR BERBASIS PROBLEM BASED LEARNING”. TRIHAYU: Jurnal Pendidikan Ke-SD-an, vol. 5, no. 2, July 2019, https://jurnal.ustjogja.ac.id/index.php/trihayu/article/view/4928.