SIMORANGKIR, R. .; SINAGA, M. . Pengembangan bahan ajar modul terintegrasi problem based learning pada materi laju reaksi. Educenter : Jurnal Ilmiah Pendidikan, [S. l.], v. 1, n. 3, p. 207–216, 2022. DOI: 10.55904/educenter.v1i3.71. Disponível em: https://jurnal.arkainstitute.co.id/index.php/educenter/article/view/71. Acesso em: 2 dec. 2024.