OWUSU ANSAH, M.; POKU, K. Investigation into Consumer Response to Sales Promotional Activities: The Case of Unilever Ghana Limited. International Review of Management and Marketing, [S. l.], v. 3, n. 4, p. 134–145, 2013. Disponível em: https://econjournals.com/index.php/irmm/article/view/554. Acesso em: 3 jul. 2024.