1. University of Science and Technology Houari Boumedien (USTHB) BAB EZZOUAR . ALGIERS . ALGERIA, Bab Ezzouar, Algiers, Algeria
2. ICOSI Laboratory, Department of Mathematics and Informatics, Faculty of Sciences and Technology, Abbes Laghrour University-Khenchela, Khenchela, Algeria
3. Department of Mathematics, Government College University, Lahore, Pakistan
4. Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan