@book{24464,
	author = {Samah Hussein Mahmoud Mahmoud  and Gehad G. Mohamed , },
	title = {Spectrophotometric determination of some antibiotic drugs / },
	publisher = {Samah Hussein Mahmoud Mahmoud , },
	year = {2009},
	address = {Cairo : },
	url = {http://172.23.153.220/th.pdf}
}
