Importance of supplementary services in the service sector on customer satisfaction . REGE Revista de Gestão, [S. l.], v. 15, n. 3, p. 67–75, 2008. DOI: 10.5700/issn.2177-8736.rege.2008.36647. Disponível em: https://revistas.usp.br/rege/article/view/36647.. Acesso em: 4 may. 2024.