@book{13292,
	author = {Brondial, Rea Criselle M.,},
	title = {Health risk assessment of Camarines Sur Polytechnic Colleges' waste collectors at Nabua, Camarines Sur during covid-19 pandemic /},
	publisher = {Camarines Sur Polytechnic Colleges,},
	year = {2021.},
	address = {Nabua, Camarines Sur :}
}