1. African Development Bank Group. (2016). Annual report 2016. African Development Bank Group.
2. Agricultural Market Information System. (2021). Market database. Retrieved March 27, 2021, from https://app.amis-outlook.org/#/market-database/custom-query.
3. Allen, P., & Sanglier, M. (1981). Urban evolution, self-organization, and decisionmaking. Environment and Planning A: Economy and Space, 13(2), 167–183.
4. Arthur, W. B. (1994). Increasing returns and path dependence in the economy. University of Michigan Press.
5. Arthur, W. B. (2013). Complexity economics: A different framework for economic thought. Santa Fe Institute.