1. Adams, W. M., & Mortimore, M. (1997). Agricultural intensification and flexibility in the Nigerian Sahel. Geographical Journal, 163, 150–160.
2. Agyemang-Bonsu, W., Minia, Z., Dontwi, J., Dontwi, I., Buabeng, S., Baffoe-Bonnie, B., & Frimpong, E. (2008). Ghana climate change impacts, vulnerability and adaptation assessments. Accra: Environmental Protection Agency.
3. Conceição, P., Mukherjee, S., & Nayyar, S. (2011). Impacts of the economic crisis on human development and the MDGs in Africa. African Development Review, 23, 439–460.
4. Conisbee, M., & Simms, A. (2003). Environmental refugees: The case for recognition. London: New Economics Foundation.
5. Dinar, A., Hassan, R., Mendelsohn, R., & Benhin, J. (2012). Climate change and agriculture in Africa: Impact assessment and adaptation strategies. London: Routledge.