KASSAYE, W. W. The Competitive Challenge in Post-Internet Advertising: Appraising the Functional Divide Between Agencies and the Newcomers. Journal of Marketing Development and Competitiveness, [S. l.], v. 18, n. 2, 2024. Disponível em: https://articlearchives.co/index.php/JMDC/article/view/6852. Acesso em: 11 oct. 2025.