DWI CAHYANI, Mutiara; GUSMAN, Tania Avianda. Desain dan Uji Validitas e-Modul Perkuliahan Kimia Fisika Berbasis Problem Based Learning. Orbital: Jurnal Pendidikan Kimia, [S. l.], v. 7, n. 1, p. 117–125, 2023. DOI: 10.19109/ojpk.v7i1.17499. Disponível em: https://jurnal.radenfatah.ac.id/index.php/orbital/article/view/17499.. Acesso em: 31 mar. 2025.