Login New user?   04-Information Sciences Letters An International Journal   ISL Home   Aim and Scope   For Reviewers   For Authors   Editorial Board   Publication Ethics   Processing Charges   Indexing   Submit an Article   Content   Forthcoming Papers   Subscription Author     Name : A. M. Shehata Address : Department of Mathematics, Faculty of Science, Bisha University, P. O. Box 551, Bisha, 61922, Saudi Arabia.\\ Department of Mathematics, Faculty of Science, Al-Azhar University, Assiut 71511, Egypt. Email : ah_moukh81@yahoo.com Telephone :   Home   About us   News   Journals   Conferences Contact us Copyright naturalspublishing.com. All Rights Reserved