Pengembangan LKS IPA Berbasis Model Problem Based Learning Pada Materi Keanekaragaman Hayati di SMP Negeri 3 Tondano. SCIENING : Science Learning Journal, [S. l.], v. 4, n. 2, p. 174 184, 2023. DOI: 10.53682/slj.v4i2.4119. Disponível em: https://ejurnal.unima.ac.id/index.php/sciening/article/view/4119. Acesso em: 25 feb. 2026.