1. T. H. M. Abouelmagd:
Management Information System Department, Taibah
University, Saudi Arabia
Department of Statistics, Mathematics and Insurance Benha University, Egypt
2. M. S. Hamed:
Management Information System Department, Taibah
University, Saudi Arabia
Department of Statistics, Mathematics and Insurance
Benha University, Egypt
3. Abd El Hadi N. Ebraheim:
Institute of Statistical Studies & Research
Cairo University, Egypt