MEGUELLATI Riadh Head of the Departmenthttp://staff.univ-batna2.dz/meguellati_riadh/Office 29r.meguellati@univ-batna2.dz
NEDJAI Mohamed Salah http://staff.univ-batna2.dz//nedjai_mohamedOffice: 26m.nedjai@univ-batna2.dzp: 0332659841