KHELOUFI Abdenour http://staff.univ-batna2.dz/kheloufi-abdenoura.kheloufi@univ-batna2.dzp: 0332211445
MANSOURI Lahouaria mounia http://staff.univ-batna2.dz//mansouri_lahouariamounial.mansouri@univ-batna2.dz
MEDDAH Mohamed amine http://staff.univ-batna2.dz/meddah-mohamed-amine/B7m.meddah@univ-batna2.dz p: +213 (0) 661 714 832
MEDJADBA Abdelmadjid http://staff.univ-batna2.dz/medjadba_abdelmadjidB2a.medjadba@univ-batna2.dzp: 00213668907058
