Bezaiet Dessalegn, Caroline King. (28/4/2013). WLI Newsletter: April Issue. Amman, Jordan: International Center for Agricultural Research in the Dry Areas (ICARDA)
International Food Policy Research Institute (IFPRI), 'Ghana Strategy Support Program 2015 Brochure', International Food Policy Research Institute (IFPRI), Washington, D.C., 2015
Beintema, Nienke; Lwezaura, Deogratias; Munishi, Bernadetha, 'Tanzania: Agricultural R&D indicators factsheet update', International Food Policy Research Institute (IFPRI); Department of Research and Development, Washington, D.C., 2018
Magne Domgho, Lea Vicky; Allagbé, Marcellin; Stads, Gert-Jan, 'Bénin: Fiche d’information sur les indicateurs de la R&D agricole', International Food Policy Research Institute (IFPRI); National Agricultural Research Institute of Benin, Washington, D.C., 2018
CTA. 1999. Pratique des SIG pour l'environnement, la gestion des ressources naturelles et la gestion urbaine. Spore 82. CTA, Wageningen, The Netherlands.