The Effective use of Relationship Marketing Strategy for Customer Satisfaction and Retention by IGBO SMES in Nigeria. Global Journal of Management and Business Research, [S. l.], v. 13, n. 14, p. 31–56, 2013. Disponível em: https://journalofbusiness.org/index.php/GJMBR/article/view/. Acesso em: 18 oct. 2026.