UMAR, Muhammad Agus. Potensi Ekowisata Bahari Pulau-Pulau Kecil di Kabupaten Halmahera Selatan. JURNAL GEOGRAFI, [S. l.], v. 10, n. 2, p. 117–128, 2018. DOI: 10.24114/jg.v10i2.10323. Disponível em: http://103.242.233.34/index.php/geo/article/view/10323. Acesso em: 19 jan. 2025.