MARLÈNE MWANZA KAYEMBE. Marketing strategies and the development of competitive positioning for telecommunications companies in KOLWEZI: A comparative analysis of Vodacom and airtel. International Journal of Scientific Research and Innovative Studies, [S. l.], v. 5, n. 6, p. 47 to 57, 2026. DOI: 10.63883/ijsrisjournal.v5i6.1036. Disponível em: https://ijsrisjournal.com/index.php/ojsfiles/article/view/1036. Acesso em: 3 nov. 2026.