HERIANTO, Agus; ALI, Ibrahim. Pengembangan Bahan Ajar Geografi Lingkungan Berbasis Konstruktivis Dengan Model Pembelajaran Cooperatif Learning. JURNAL GEOGRAFI, [S. l.], v. 12, n. 1, p. 84–95, 2020. DOI: 10.24114/jg.v12i01.10688. Disponível em: https://jurnal.unimed.ac.id/2012/index.php/geo/article/view/10688. Acesso em: 12 jul. 2025.