SPILLER, L. D.; HAMILTON, R. A. Customer Databases for Small Firms: Maximizing the Power of Your Marketing. Journal of Small Business Strategy, [S. l.], v. 8, n. 1, p. 67–82, 1997. Disponível em: https://libjournals.mtsu.edu/index.php/jsbs/article/view/359. Acesso em: 26 may. 2022.