@book{4850,
	author = {Carpizo, Austeen Julian G.; Ronald Allan A. Corus; Johnneldel M. Kabunto and Erl Jethro V. Oliva},
	title = {Development of fertilized and unfertilized duck egg sorting device. /},
	publisher = {College of Industrial Technology: BT-MT,},
	year = {2017.},
	address = {TUP Manila:},
	note = {Includes bibliographies and appendecies.}
}