Awad Ahmed Mahfoud I. The role of the Internet in marketing tourism at travel and tourism agencies in Aden governorate from the point of view of tourist employees. fber [Internet]. 2019 Oct. 31 [cited 2026 Jan. 15];3(3):45-70. Available from: https://jiamcs.univ-mila.dz/index.php/fber/article/view/1284