Pengembangan Lembar Kerja Peserta Didik LKPD Berbasis Problem Based Learning Pada Materi Sistem Pernapasan Manusia di SMP Negeri 1 Dumoga. SCIENING : Science Learning Journal, [S. l.], v. 4, n. 2, p. 133 140, 2023. DOI: 10.53682/slj.v4i2.6575. Disponível em: https://ejurnal.unima.ac.id/index.php/sciening/article/view/6575. Acesso em: 25 feb. 2026.