Pating ka ba? an identification guide to sharks, batoids and chimaeras of the Philippines অনুযায়ী Alava, Moonyen Nida R., Utzurrum, Jean Asuncion T., Capuli, E. Emily C., Aquino, Ma. Theresa R., Luchavez-Maypa, M-May A., Santos, Mudjekeewis D.