GUMPAL, James Dennis. FOOD HABITS OF BIRDS IN AGUSAN DEL NORTEA: A PRELIMINSRY REPORT. Mindanao Journal, [S. l.], v. 7, n. 1-4, p. 56–70, 2025. Disponível em: https://msu-mindanaojournal.com/index.php/ojs/article/view/235.. Acesso em: 4 mar. 2026.