@article {209650,
	title = {A Novel Framework to Improve Secure Digital Library at Cloud Environment},
	journal = {International Journal of Computer Science and Information Security (IJCSIS)},
	volume = {17},
	year = {2019},
	pages = {13-22},
	author = {Hesham N. Elmahdy and Heba Sayed and Fathy Amer and Sherif Shaheen}
}
