OLPENDA, A. Space Technology for Policy-Making and Management of Protected Mountain Range in Southern Philippines. International Journal of Geoinformatics, [S. l.], v. 15, n. 3, p. 45–53, 2019. Disponível em: https://ijg.journals.publicknowledgeproject.org/index.php/journal/article/view/1853. Acesso em: 21 may. 2026.