1. Faculty of Sciences and Technique, Hassan First University, Settat, Morocco
2. EST-Safi, Cadi Ayyad University, Marrakech-Safi, Morocco
3. Department of Management, University of Verona, Verona, Italy
4. Faculty of Business and Law, Northumbria University, Newcastle, UK
5. Centre for Supply Chain Improvement, University of Derby, Derby, UK