@book{75478,
	author = {Omar Hussein Sery Mahmoud and Mahmoud Riad Mahmoud , },
	title = {A practical procedure for detecting deviation from normality / },
	publisher = {Omar Hussein Sery Mahmoud , },
	year = {2019},
	address = {Cairo : },
	url = {http://172.23.153.220/th.pdf}
}