Mohamed Hafid
LMSSEF, University of Larbi Ben M'hidi, Oum El Bouaghi, 04000, ALGERIA
Algeria

Nacer Hebbir
LMSSEF, University of Larbi Ben M'hidi, Oum El Bouaghi, 04000, ALGERIA
Algeria

Kamel Bouarour
Faculty of Science and Technology, University of Ghardaia,Ghardaïa, ALGERIA
Algeria

Senda Trabelsi
Mechanical Engineering dep, University of Sherbrooke, Sherbrooke, Quebec, J1K 2R1,
Canada