Affiliation: | 1. Affiliated Colleges at Hafr Al-Batin, General Science and Studies Unit-Mathematics, King Fahd University of Petroleum and Minerals, Hafr Al-Batin, 31991, Saudi Arabia 2. Department of Mathematics and Statistics, King Fahd University of Petroleum and Minerals, P.O. Box 5046, Dhahran, 31261, Saudi Arabia
|