Contribution of the marketing communication strategy to the hospital performance of healthcare institutions in the city of Lubumbashi. International Journal of Multidisciplinary and Current Research, [S. l.], v. 7, n. 3, p. 261–267, 2019. DOI: 10.14741/ijmcr/v.7.3.3. Disponível em: https://ijmcr.com/index.php/ijmcr/article/view/07.03.03. Acesso em: 17 apr. 2026.