Login New user?   06- TWMS Journal of Pure and Applied Mathematics An International Journal   TWMS Home   Submit an Article   Content   Forthcoming Papers   Subscription Author     Name : E.E. ALI Address : Department of Mathematic and Computer Science, Port Said University, Egypt Email : ekram 008eg@yahoo.com Telephone :   Home   About us   News   Journals   Conferences Contact us Copyright naturalspublishing.com. All Rights Reserved