1. Bank Indonesia Indonesian Financial Statistics Bank Indonesia
2. Bank Indonesia Statistik bank perkreditan rakyat [People's credit bank statistics] Bank Indonesia
3. Determinants of Commercial Bank Interest Margins and Profitability: Some International Evidence.;Demirgüç-Kunt;World Bank Economic Review,1999
4. Village Banks Offer Hope in Asia Mainstream Institutions Take an Interest in Microfinancing;Greenlees;International Herald Tribune,2005