About the Authors

Tarek Sadraoui

Department of Quantitative Methods, Higher Institute of Business Administration of Gafsa, Laboratory of Modeling and Optimization for Decisional, Industrial and Logistic Systems, (MODELIS)

Jallouli Fayza

Institut Supérieur de Gestion Industrielle de Sfax (ISGI), Route El – Meharza Km 1,5, B.P. No. 954, Sfax 3018, Tunisia

Corresponding Author

Email: tarek_sadraoui@yahoo.fr