@book{278670,
	author = {Calara, Francheska Vittoria N.},
	title = {Calamansi (Citrofortunella microcarpa) and ponkan mandarin peels as biosorbent for copper /},
	publisher = {Southville International School and Colleges,},
	year = {2014.},
	address = {Las Piñas City, Philippines :}
}