Using Celebrities in Social Marketing Campaigns and Their Effect on the Behavior of the Target Audience "By Applying on the National Cancer Foundation-Yemen". Humanities and Educational Sciences Journal, [S. l.], n. 47, p. 849–883, 2025. DOI: 10.55074/hesj.vi47.1459. Disponível em: https://hesj.org/ojs/index.php/hesj/article/view/1459. Acesso em: 27 jun. 2026.