Editor-in-Chief
Prof. A. M. Abd-Alla
Department of Mathematics, Faculty of Science, Sohag University, Sohag 82524, Egypt
Prof. Ibrahim B. Abdul-Moniem
Department of Statistics, Higher Institute of Management Sciences in Sohag
Executive Editor
Dr. Khater A. E. Gad
Department of Statistics, Faculty of Graduate Studies for Statistical Research, Cairo University, Egypt
Dr. A. Nafea
Department of Mathematics, Faculty of Science, Sohag University, Sohag 82524, Egypt
Prof. M. Marin
Department of Mathematics and Computer Science, University of Brasov, Romania
Prof. Abdelouahed Tounsi
Laboratoire des Matériaux et Hydrologie, Université de Sidi Bel Abbés, Algeria
Prof. Mohammed Abdella Ahmed
Mathematics Department, Faculty of Education, Alexandria University
Prof. Fatimah Bayones
Taif University, Faculty of Science, Saudi Arabia
Prof. Abd-Alla M. Alsheaif
Taif University, Faculty of Science, Saudi Arabia
Prof. Gamal M. Hamdalla
Assuit University, Faculty of Science, Egypt
Prof. Saber M. Elkabier
Aswan University, Faculty of Science, Egypt
Prof Sayed M. Abo-Dahab
South Valley University, Faculty of Science, Egypt
Prof. Mohamed A. Darwish
Damnhor University, Faculty of Science, Egypt
Prof. Nabil T. Al-Dabeh
Mathematics Department, Faculty of Education, Ain-Shams University
Prof. Dina Hassan Abdel-Hady,
Department of Statistics, Faculty of Commerce, Tanta University
Associate prof. Ahmed Sedky Mohamed Eldeeb
Department of Business Administration, College of Business, King Khalid University, Saudi Arabia