INTRODUCCIÓN AL MARKETING - II. Industrial Data, [S. l.], v. 2, n. 1, p. 55–56, 1999. DOI: 10.15381/idata.v2i1.6505. Disponível em: https://revistasinvestigacion.unmsm.edu.pe/index.php/idata/article/view/6505.. Acesso em: 5 may. 2024.