1. Aghion, A.B. & Morduch, J. 2000. Microfinance Beyond Group Lending. Economics of Transition, 8:401-420.
2. Balkenhol, B. & Schutte, H. 2001. Collateral, Collateral Law and Collateral Substitutes. Working paper No. 26. [Online]. Available from: http://natlex.ilo.ch/wcmsp5/groups/public/@ed_emp/documents/publication/wcms_117987.pdf [Accessed 16/06/2012].
3. Campion, A. 2000. Improving Internal Controls: A practical guide for Microfinance Institutions. Washington, D.C: MicroFinance Network.
4. Churchill, C. & Coster, D. 2001. Microfinance Risk Management Handbook. Atlanta: Economic Development Unit, CARE.
5. Crabb, P. R. & Keller, T. (2006). A Test of Portfolio Risk in Microfinance Entities. Faith & Economics, 47(48):25-39.