فتيحة محمدي. Design of advertising messages in Algerian communication agencies - A case study of the national agency for communication, publishing and Advertisement (Communication and Signals branch) - Algiers . ijsc [Internet]. 2022 Dec. 31 [cited 2026 Feb. 27];9(04):178-209. Available from: https://revue.univ-mosta.dz/index.php/ijsc/article/view/1034