Dr. Saber M.M. El-Kabeir

                 Assistant Professor
                                                                        Department of Mathematics
                                                                        College of Science in Al-Kharj        

                                                                        Office No.: 204, Tel. 0096615453882
                                                                        elkabier@yahoo.com
                                                                        PO Box 83 Postal Code 11942 
                                                                        Al-Kharj 
                                                                        Kingdom of Saudi Arabia