MARSAL, Naivi Montané. Intangible assets that add tangible value and their relationship to the economic efficiency and financial performance of a Cuban enterprise. International journal of Engineering, Business and Management, [S. l.], v. 4, n. 5, 2020. Disponível em: https://journal-repository.com/index.php/ijebm/article/view/2628.. Acesso em: 22 jul. 2024.