RAJAGOPAL. Measuring Customer Value Gaps: An Empirical Study in the Mexican RetailMarket. Economic Issues, [S. l.], v. 11, n. 1, p. 19–39, 2006. Disponível em: http://economicissues.org.uk/index.php/EI_OJS/article/view/125. Acesso em: 25 oct. 2026.