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First Author:
 
Refk Selmi
IRMAPE-ESC Pau Business School; CATT University of Pau, France
s.refk@yahoo.fr
 
 
 
 

Second Author:

Jamal Bouoiyour
IRMAPE-ESC Pau Business School; CATT University of Pau, France
jamal.bouoiyour@univ-pau.fr