IONESCU, F. T.; ROSCA, M. I. Strategic Planning of the Eco Product Portfolio. International Journal of Economic Practices and Theories, [S. l.], v. 2, n. 3, p. 173-178, 2012. Disponível em: http://ijept.eu/index.php/ijept/article/view/Strategic_Planning_of_the_Eco_Product_Portfolio. Acesso em: 20 sep. 2024.