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://ijept.eu/index.php/ijept/article/view/Porters_Models_are_they_still_of_relevance. Acesso em: 27 apr. 2025.