Outlook for development of a tuna industry in the Philippines অনুযায়ী Warfel, Herbert Elmer 1902-

Otter trawl explorations in Philippine waters অনুযায়ী Warfel, Herbert Elmer 1902-

Shark fishing potentialities of the Philippine seas অনুযায়ী Warfel, Herbert Elmer, 1902-

Reef fishing in the Philippines অনুযায়ী Umali, Agustin F.