Banks, Ken, 'Market information: A program to reach many farmers', ICT Update, vol. 47, Technical Centre for Agricultural and Rural Cooperation, Wageningen, 2009
Howcroft, Jon, 'Farming from space: precision agriculture in Sudan', ICT Update, vol. 30, Technical Centre for Agricultural and Rural Cooperation, Wageningen, 2006
Hosenally, Nawsheen, 'Crowdsourcing : Cartographie des arbres à pain', ICT Update, vol. 69, Technical Centre for Agricultural and Rural Cooperation, Wageningen, 2012
Usman, S. 2016. Analysis of wheat value chain: The case of Sinana District, Bale Zone, Oromia Region, Ethiopia. MSc thesis in Science in Agriculture (Agricultural Economics). Haramaya, Ethiopia: Haramaya University.