Que, Gerard Clinton, Fontanilla, Ian Kendrich, Widmann, Peter, AND Widmann, Indira Dayang. " Phylogenetic Placement of the Philippine Cockatoo Cacatua haematuropygia (P.L.S. Muller 1776) Based on a Partial Mitochondrial Genome" Science Diliman: A Journal of Pure and Applied Sciences [Online], Volume 34 Number 1 (28 June 2022)