@book{61087,
	author = {Engy Mohammed Mohamed Esmail and Mahmoud Riad Mahmoud , },
	title = {On generalized beta modified weibull distribution / },
	publisher = {Engy Mohammed Mohamed Esmail , },
	year = {2016},
	address = {Cairo : },
	url = {http://172.23.153.220/th.pdf}
}