@book{31533,
	author = {Safinaz Abd El hady Elnaggar and Mohamed elsamaligy , },
	title = {A Contribution to stability studies of certain vitamins of natural origin in its solid dosage forms / },
	publisher = {Safinaz Abd El hady Elnaggar , },
	year = {2005},
	address = {Cairo : },
	url = {http://172.23.153.220/th.pdf}
}