NDUMBA, S.; SHIKANGALAH, R.; BECKER, F. Towards understanding the role of informal cross-border trading at Rundu-Calai bridgehead, Namibia. Journal of Namibian Studies : History Politics Culture, [S. l.], v. 29, p. 7–25, 2021. Disponível em: https://namibian-studies.com/index.php/JNS/article/view/8925. Acesso em: 27 oct. 2021.