Effect of relationship marketing concept of reciprocity on customer satisfaction among foreign owned supermarkets in Kenya: A case study of Carrefour Supermarket. International Journal of Research and Scholarly Communication, [S. l.], v. 4, n. 2, 2021. Disponível em: https://royalliteglobal.com/ijoras/article/view/612.. Acesso em: 9 apr. 2025.