ROUAGHE, FOUZIA. 2021. “Business Professionals’ Communicative Needs at El Eulma Business District: An Evidence-Based Verdict: Date De réception : 24 05 2020 Date d’acceptation : 20 05 2021 ”. Human Resources Development Research 16 (04):775-800. https://rdrh.univ-setif2.dz/index.php/rdrh/article/view/427.