Pengembangan Bahan Ajar Berbasis E book dalam Pembelajaran IPA pada Materi Pencemaran Lingkungan di SMP Negeri 3 Tondano. SCIENING : Science Learning Journal, [S. l.], v. 5, n. 2, p. 154 160, 2024. DOI: 10.53682/slj.v5i2.4113. Disponível em: https://ejurnal.unima.ac.id/index.php/sciening/article/view/4113. Acesso em: 25 feb. 2026.