@book{8077,
	author = {Agawa, Christopher C.,},
	title = {Incidence of cigarette smoking among students of Camarines sur polytechnic colleges, Nabua, Camarines sur/},
	publisher = {Camarines sur Polytechnic Colleges ;},
	year = {2006.},
	address = {Nabua, Camarines Sur :}
}