PIDDUCK, T. C.; ODENDAAL, K. Customer Loyalty Programmes: The Loss To The Fiscus In South Africa. International Business & Economics Research Journal (IBER), [S. l.], v. 12, n. 12, p. 1521–1534, 2013. DOI: 10.19030/iber.v12i12.8247. Disponível em: https://clutejournals.com/index.php/IBER/article/view/8247. Acesso em: 17 jul. 2024.