ONOVUGHAKPO AUGUSTINE (PHD), M. .; SAMUEL, A. . CUSTOMER SERVICE MANAGEMENT PRACTICES AND BUSINESS EXPANSION OF SMALL AND MEDIUM-SIZED ENTERPRISES IN UGHELLI, DELTA STATE, NIGERIA. BW Academic Journal, [S. l.], 2026. Disponível em: https://www.bwjournal.org/index.php/bsjournal/article/view/4053. Acesso em: 11 jun. 2026.