N W Marler, F O Montgomery, A D May, P W Bonsall, G Gardner (1993) Urban Road Traffic Surveys Transport. Research Laboratory (TRL) Overseas Road note 11
León Sarmiento, Luis Alfredo. 1984. Relación entre fuentes de fosfatos y la fijación de fósforo del suelo. Centro Internacional de Agricultura Tropical (CIAT), Cali, CO. 3 p.. (Seminarios internos SE-12-84)
Woyessa, Kassahun Lemi. 2015. Potential multi-dimensional impacts and trade-offs of improved livestock feeding options in Babati, Tanzania. : Internship Report MSc Internship Farming System Ecology . Wageningen University. Farming Systems Ecology Group; International Center for Tropical Agriculture (CIAT), Wageningen, NL. 27 p.
Cruz-Burga, Z., Monterroso, I., Saldaña, J.S., Valencia, F. 2017. Visión comunal del proceso de formalización colectiva sobre la tierra y el bosque en la Región Madre de Dios. Peru: Universidad Agraria La Molina (UNALM) and Center for International Forestry Research (CIFOR).
Tolemariam, A; Debello, M.J, 'A diagnostic study of crop-livestock interactions: in the Rift Valley and the western mid-highland areas of Ethiopia / Alemu Tolemariam and Moti Jaleta', CIMMYT, 2015
Kirub, Abebe. 2008. Assessment of Agricultural information needs in African, Caribbean & Pacific (ACP) States: Country Study Ethiopia. CTA, Wageningen, The Netherlands
Monde, Prosper H. M. 2008. Evaluation des besoins en information agricole dans les Etats du Groupe Afrique-Caraïbes-Pacifique (ACP) : Etude sur Bénin. CTA, Wageningen, The Netherlands
IICA; CTA. 2006. Managing hazards, reducing risks and increasing investments in agriculture – some perspectives: critical analysis of policy issues for repositioning agriculture in the Caribbean. IICA, Port of Spain, Trinidad and Tobago
Babcock, Lee H., 'Mobile payments: How digital finance is transforming agriculture', Technical Centre for Agricultural and Rural Cooperation, Wageningen, The Netherlands, 2015