Technical Efficiency of Customs Offices and Financial Performance of DGDA Katanga. International Journal of Multidisciplinary and Current Research, [S. l.], v. 12, n. 2, p. 150–163, 2024. DOI: 10.14741/ijmcr/v.12.2.1. Disponível em: https://ijmcr.com/index.php/ijmcr/article/view/12.02.01. Acesso em: 19 nov. 2025.