@book{1600,
	author = {Amante, Diosdado A. and Atienza, Leticia A.; Mendoza, Catalino N.},
	title = {Essentials of research methodology /},
	publisher = {Cacho Hermanos,},
	year = {2008.},
	address = {Mandaluyong City :},
	note = {Includes bibliographic references}
}