1. Admasu D (2008) Invasive plants and food security: the case of Prosopis juliflora in the Afar region of Ethiopia. IUCN
2. Birega G, Maina A, Anderson T (2010) Biofuels—a failure for Africa. African Biodiversity Network, Ethiopian Society for Consumer Protection, The Gaia Foundation
3. Bokrezion H (2008) The ecological and socioeconomic role of Prosopis juliflora in Eritrea: an analytical assessment within the context of rural development in the Horn of Africa. Dissertation, Johannes Gutenberg University
4. Burley H, Griffiths H (2009) ‘Jatropha: wonder crop? Experience from Swaziland.’ Friends of the Earth, London
5. Endelevu Energy (2009) Jatropha reality check: a field assessment of the agronomic and economic viability of jatropha and other oilseed crops in Kenya. GTZ—Regional Energy Advisory Platform (East Africa), Nairobi