@book{6030,
	author = {Choo, Wei Chun},
	title = {Production of biogas from poultry manure wastewater :},
	publisher = {UMP,},
	year = {2015},
	address = {Kuantan, Pahang :},
	note = {Faculty of Chemical & Natural Resources Engineering},
	url = {http://ecollib.ump.edu.my/id/eprint/9489}
}