Farouq Sessah Mensah, et al. “The Causes of Default Loans Risk in Microfinance Institutions in Ghana: Case Study of Some Selected Microfinance Institutions in Kumasi and Accra”. Global Journal of Management and Business Research, vol. 18, no. C2, Jan. 2018, pp. 23-37, https://journalofbusiness.org/index.php/GJMBR/article/view/2455.