1. Higher School of Management, Tlemcen 13000, Algeria
2. Statistic and Random Modelization Laboratory, Tlemcen 13000, Algeria
3. Faculty of Economies Sciences, Mascara University, Mascara 29000, Algeria
4. Department of Mathematics, College of Sciences and Arts in ArRass, Qassim University, Buraydah 51452, Saudi Arabia
5. Institute of Energy Infrastructure (IEI), Department of Civil Engineering, College of Engineering, Universiti Tenaga Nasional (UNITEN), Putrajaya Campus, Jalan IKRAM-UNITEN, Kajang 43000, Selangor, Malaysia