PISTER, M. Porter`s Models – are they still of relevance?. International Journal of Economic Practices and Theories, [S. l.], v. 4, n. 5, p. 870-876, 2014. Disponível em: http://mta.ase.ro/index.php/ijept/article/view/Porters_Models_are_they_still_of_relevance. Acesso em: 26 jul. 2026.