MINUA AMPOFO, G. K.; YABANI, A. A.; SENADZO, P. Does Sales Promotion practices promote Customer Retention in the Oil Marketing Industry? A case of Goil Ghana Limited Dome-Kwabenya. Journal of Research in Marketing (ISSN: 2292-9355), [S. l.], v. 8, n. 2, p. 669–674, 2017. DOI: 10.17722/jorm.v8i2.733. Disponível em: https://techmindresearch.org/index.php/jorm/article/view/733. Acesso em: 12 oct. 2025.