DAUD, D. J.; MAMU, H. D.; MUSTAQIMAH, N.; NUSANTARI, E.; HUSAIN, I. H. Validitas Modul Ajar Berbasis Problem Based Learning Terintegrasi Google Sites pada Materi Ekosistem. Biocaster : Jurnal Kajian Biologi, [S. l.], v. 5, n. 4, p. 998–1007, 2025. DOI: 10.36312/biocaster.v5i4.737. Disponível em: https://e-journal.lp3kamandanu.com/index.php/biocaster/article/view/737. Acesso em: 20 nov. 2025.