Safwat Saadeldin
Ph.D. Candidate in Operations Research, faculty of graduate studies for statistical research, Cairo University, Egypt.
Hegazy Zaher
Professor, Doctor in Mathematical statistics, faculty of graduate studies for statistical research, Cairo University, Egypt.
Naglaa Ragaa
Professor in Operations Research, faculty of graduate studies for statistical research, Cairo University, Egypt.
Heba Sayed
Assistant Professor in Operations Research, faculty of graduate studies for statistical research, Cairo University, Egypt.