Login New user?   The Journal of Applied Science University An International Journal   JASU Home   Submit an Article   Content   Forthcoming Papers   Subscription Author     Name : E. M. Elsayed Address : 3Department of Mathematics, Faculty of Science, Mansoura University, Mansoura 35516, Egypt. Email : N/A Telephone :   Home   About us   News   Journals   Conferences Contact us Copyright naturalspublishing.com. All Rights Reserved