MOHAMMED , Mustafa Abdulmawjood. When are Intellectual Property Rights Useful?. American Journal of Economics and Business Management, [S. l.], v. 7, n. 3, p. 134–138, 2024. DOI: 10.31150/ajebm.v7i3.2726. Disponível em: https://www.globalresearchnetwork.us/index.php/ajebm/article/view/2726. Acesso em: 17 aug. 2025.