Masianini, Bernadette; Rokotuibau, Mereani, 'Listening to farmers', ICT Update, vol. 49, Technical Centre for Agricultural and Rural Cooperation, Wageningen, 2009
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.