Gariseb, G. L., and A. W. Mosimane. “Socio-Economic Impacts of Tourism Businesses in Okahandja: A Case Study of Nau-Aib”. Journal for Studies in Humanities and Social Sciences, Nov. 2016, pp. 015-36, https://journals.unam.edu.na/index.php/JSHSS/article/view/1036.