1. Adeusi, A. A. (2012). Effect of financial liberalisation on the performance of informal capital market. Research Journal of Finance and Accounting, 3(6), 63–77.
2. Altunbaş, Y., Fazylov, O., & Molyneux, P. (2002). Evidence on the bank lending channel in Europe. Journal of Banking and Finance, 26(11), 2093–2110. https://doi.org/10.1016/S0378-4266(02)00201-7
3. Angeloni, I., Kashyap, A. K., Mojon, B., & Terlizzese, D. (2003). Monetary transmission in the Euro area: Does the interest rate channel explain it all?
4. Aryeetey, E. (1995). Filling the niche: Informal finance in Africa. East African Educational Publishers.
5. Aryeetey, E. (2005). Informal finance for private sector development in Sub-Saharan Africa. Journal of Microfinance, 7(1), 13–38.