Honorary présedents: Pr. BOUDERAH Brahim, Rector of the University of Mostaganem Pr. BENKHELIFA Mohammed, Dean of the Faculty of Natural and Life Sciences Editor-in-Chief Pr. BENABDELMOUMENE Djilali, University Abdelhamid Ibn Badis of Mostaganem Assistant Editor Pre BENAMAR Nardjess, University Abdelhamid Ibn Badis of Mostaganem