AKBAR, K. F. Karakteristik Materi Pembelajaran dan Kerusakan Lingkungan. Journal of Education Research, [S. l.], v. 5, n. 4, p. 4672–4681, 2024. DOI: 10.37985/jer.v5i4.644. Disponível em: https://jer.or.id/index.php/jer/article/view/644. Acesso em: 2 jul. 2025.