Githiori, J. B. 2004.Evaluation of anthelmintic properties of ethnoveterinary plant preparations used as livestock dewormers by pastoralists and small holder farmers in Kenya. PhD thesis, Swedish University of Agricultural Sciences.
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.
Munyaneza, C. 2018. Assessing sustainability of smallholder dairy and traditional cattle milk production systems in Tanzania. Phd thesis. Morogoro, Tanzania: Sokoine University of Agriculture.
Hosenally, Nawsheen, 'Crowdsourcing : Cartographie des arbres à pain', ICT Update, vol. 69, Technical Centre for Agricultural and Rural Cooperation, Wageningen, 2012