1. AGRA (Alliance for a Green Revolution in Africa). (2014). Africa agriculture report 2014. Climate change and smallholder agriculture in Sub-Saharan Africa. AGRA, Nairobi. Online at www.agra.org
2. Akinnifesi, F., Ajayi, O. C., Sileshi, G., Chirwa, P. W., & Chianu, J. (2010). Fertiliser trees for sustainable food security in the maize-based production systems of east and southern Africa a review. Agronomy for Sustainable Development, 30, 615–629.
3. Alexandratos, N., & Bruinsma, J. (2012). World agriculture towards 2030/2050: The 2012 revision. ESA Working paper No. 12-03. Rome: FAO.
4. Andersen, T. B., & Jensen, P. S. (2014). Is Africa’s recent growth sustainable? International Economic Journal, 28(2), 207–223.
5. Anseeuw, W., Wily, L. A., Cotula, L., & Taylor, M. (2012). Land rights and the rush for land: Findings of the global commercial.