1. Rabat Business School International University of Rabat, Technopolis Sala‐Al‐Jadida Morocco
2. Department of Statistics, Faculty of Sciences King Abdulaziz University Jeddah Saudi Arabia
3. Faculty of Sciences of Monastir Lab: LR18ES15 Algebra, Number Theory & Nonlinear Analysis Monastir Tunisia
4. Institut des Hautes Etudes Commerciales (IHEC) de Sousse University of Sousse Sousse Tunisia
5. Institut Supérieur de Gestion (ISG) de Sousse University of Sousse Sousse Tunisia