E-mail : o.kadri@univ-batna2.dz Researchgate : https://www.researchgate.net/profile/Ouahab_Kadri2 Scholar : https://scholar.google.com/citations?hl=fr&user=VgkUOdoAAAAJ ORCID iD : https://orcid.org/0000-0002-3030-1133 Scopus Author ID: 36806239600