NASRI, M.; MARHAMAH, Marhamah; HARITANI, Hartini. Pengembangan Bahan Ajar Ilmu Pengetahuan Alam (IPA) Berbasis Problem Based Learning (PBL). Bioscientist : Jurnal Ilmiah Biologi, [S. l.], v. 9, n. 2, p. 297–317, 2021. DOI: 10.33394/bioscientist.v9i2.4010. Disponível em: https://e-journal3.undikma.ac.id/index.php/bioscientist/article/view/4010. Acesso em: 14 aug. 2025.