DASSAMIOUR Saliha http://staff.univ-batna2.dz/dassamiour_saliha/classesB3s.dassamiour@univ-batna2.dzp: 0331265874
NOUMEUR Sara Raouia http://staff.univ-batna2.dz/noumeur_sararaouiaB7s.noumeur@univ-batna2.dzp: 0331265874