About the Authors

Khaled MILI

Laboratory of Operations Research, Decision and Control of Processes, Department of Quantitative Methods, Higher Institute of Business Administration of Gafsa Tunisia

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)

Corresponding Author

Email: tarek_sadraoui@yahoo.fr, Tarek.Sadraoui@fsegs.rnu.tn