@book{8109,
	author = {Barra, Gerald M.,},
	title = {The extent of implementation of expanded program on immunization in barangay Aro-Aldao, Nabua, Camarines Sur/},
	publisher = {Camarines Sur Polytechnic Colleges ;},
	year = {2007.},
	address = {Nabua, Camarines Sur :}
}