TY - BOOK AU - Sales,Anthony C. AU - Porticos,Ludivina M. AU - Jabla,Porferio R. AU - Jabla,Annabelle S. AU - Casas,Michael A. AU - Maspiñas,Hydie R. TI - Assessment of the extent of implementation of standards and procedures for water safety in the Philippines KW - Water Supply KW - standards KW - Water Safety ER -