Ndou, Portia. University of Fort Hare; 2012. The competitiveness of the South African citrus industry in the face of the changing global health and environmental standards.

Ndou, Portia. University of Fort Hare; 2008. Socio-economic impact of the participatory and conventionally implemented irrigation and livestock development projects: a case of Beitbridge and Mberengwa Districts of Zimbabwe.