عقلان محمد نعمان محمد; محمد رياض عبد الله قحطان. The Reality of Modern Marketing Concept in Small Enterprises: The application on Sample of Small Enterprises in Taiz. Humanities and Educational Sciences Journal, [S. l.], v. 6, n. 13, p. 101–128, 2020. DOI: 10.55074/hesj.v6i13.189. Disponível em: https://hesj.org/ojs/index.php/hesj/article/view/189. Acesso em: 28 sep. 2026.