A preliminary hydro-biological study of the shell-fish farm complex, Calangawan Island, Babatngon, Leyte 由 Ampatin, Jr., Emilio, Aradillos, Ma. Remigia, Caones, Delicia, Chan, Carissa, Ocfemia, Judith, Go, Benjamin Rodrigo, Inciso, Ma. Rosario, Llames, Nella A., Nuevo, Marissa