The impact of commercial advertising on sales in telecommunications companies: A case study of telecommunication companies alhasahisa and riffa branches 2022-2023. Ibn Khaldoun Journal for Studies and Researches, فلسطين, v. 3, n. 6, 2023. DOI: 10.56989/benkj.v3i6.378. Disponível em: https://www.benkjournal.com/index.php/benkj/article/view/378. Acesso em: 5 apr. 2026.