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First Author:
 
Lansana Bangoura
CIAPHS/University of Rennes 2 ; CRESE-University of Franche-Comte
labangoura@gmail.com
 
 
 
 

Second Author:

Diadié Diaw
CIAPHS/University of Rennes 2 ; CREAM/University of Rouen
diadie.diaw@univ-rennes2.fr
 
 
 
 

Third Author:

Karim Barkat
CERGAM-CAE/University of Aix-Marseille 3
barkat.karim@hotmail.fr