ROUAGHE, F. (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. Retrieved from https://rdrh.univ-setif2.dz/index.php/rdrh/article/view/427