@book{4844,
	author = {Noor Atikah Mohd Badruddin},
	title = {Zeolites catalyst from oil palm ash for petrochemical industries /},
	publisher = {UMP,},
	year = {2013},
	address = {Kuantan, Pahang :},
	url = {http://ecollib.ump.edu.my/3882/}
}