@book{5855,
	author = {Perdigon, Grace Portugal and Claudio, Virginia Serraon; Chavez, Libia De Lima},
	title = {Food, water and enviromental sanitation and safety : },
	publisher = {Merriam & Webster Bookstore,},
	year = {2006.},
	address = {Manila :},
	note = {Includes index}
}