VIEIRA, Valter A.; DAMACENA, Cláudio. Loyalty in the supermarket. Brazilian Administration Review, [S. l.], v. 4, n. 3, p. 47–62, 2007. DOI: 10.1590/S1807-76922007000300005. Disponível em: https://bar.anpad.org.br/index.php/bar/article/view/56. Acesso em: 7 feb. 2026.