Twikirize, D. 2005. An assessment of traditional water management practices and their implications for improved water governance in the Limpopo Basin: case of the Sibasa Dam in Mzingwane Catchment, Zimbabwe. Thesis (MSc). Harare, Zimbabwe: University of Zimbabwe.
Zabady, M. K. E. E. 1999. Studies on some Lamb affections in Camels (Camelus dromedarius). PhD thesis in Surgery, Anesthesiology and Radiology, Cairo University.
de los Santos Espinoza, J.; López Paniagua, J.; González., A. Informe de mercado de la palma camedor (Chamaedorea spp.). Grupo Mesófilo A. C., Oaxaca, Mexico (2005) 26 pp
Tedd, L.; Liyanarachchi, S.; Saha, S.R. Energy and Street Foods. Final Project Report. Intermediate Technology Development Group, Warwickshire, UK (2003) 105 pp