GARBELLI, M. E. Product Differentiation Costs and Global Competition. Symphonya. Emerging Issues in Management, [S. l.], n. 1, p. 66–86, 2005. DOI: 10.4468/2005.1.06garbelli. Disponível em: https://symphonya.unicusano.it/article/view/2005.1.06garbelli. Acesso em: 2 dec. 2024.