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First Author:
 
Lamia Soltani
Higher School of Digital Economy, Manouba university, Tunisia
soltanilam@gmail.com
 
Residence Malika, appart house I-3-4
Manouba, 2010, Tunisie
 
95916738(Phone)
95916738(Fax)

Second Author:

Aymen Frija
Social Economics and policy Research program
frijaaymen@yahoo.fr
 
Amman, 11195, Jordan
 
 
 

Third Author:

Mohamed salah Matoussi
Professor in the faculty of Economics Sciences and Management of Tunis
msmat@gnet.tn