3Barajas,A., Steiner, R., Salazar, N,1999, Interest spreads in banking in Colombia 1974 - 1996[R], IMF Staff Papers 46, 196 - 224.
4Demirguc-Kunt, A., Huizinga, H., 1998,Determinants of commercial bank interest margins and profitability: some international evidence [J],World Bank Economic Review 13, 379 - 408.
5Goddard et al., 2004,The profitability of European banks: a cross-sectional and dynamic panel analysis[R], Manchester School 72, 363 - 381.
6Kosmidoul,K.?, Pasiourasl, F. , Doumposl M., Zopounidisl C., 2006, Assessing performance factors in the UK banking sector: A muhicriteria methodology [J], Central European Journal of Operations Research, Volume 14, Number 1 , 2006.
7Molyneux, P., Thornton, J., 1992,Determinants of European bank profitability: a note. [J], Journal of Banking and Finance 16, 1173 - 1178.
8Panayiotis P,2006, Bank -specific, industry - specific and macroeconomic determinants of bank profitability [J],journal of international financial markets, institutions &money.
9Thomas S. Ho; Anthony Saunders, 1981, The determinants of bank interest margins: Theory and empirical evidence [J], the journal of financial and quantitative analysis, Nov. 1981.