Premachandra, I.M., Gurmeeet, S.B. and Toshiyuki S. (2009). DEA as a tool for bankruptcy assessment: A comparative study with logistic regression technique. European Journal of Operational Research, 193, 412-424.
 Altman, E.I. (1968). Financial ratios, discriminated analysis and the prediction of corporate bankruptcy. Journal of Finance, 23, 589-609.
 Dimitras A.I., Susmag R. and Zopounidis C. (1999). Business failure prediction using rough sets. European Journal of Operational Research, 114, 263-280.
 Zadeh, L.A. (1965). Fuzzy sets. Information and Control, 8, 338–353.
 Kaufmann, A. (1975). Introduction to the theory of fuzzy subsets. New York, AcademicPress.
 Zadeh, L.A. (1978). Fuzzy sets as a basis for a theory of possibility. Fuzzy Sets and Systems, 1, 3–28.
 Nahmias, S. (1978). Fuzzy variables. Fuzzy Sets and Systems, 1, 97–110.
 Dubois, D., and Prade, H. (1988a). Fuzzy numbers: An overview, Analysis of Fuzzy Information, 2, 3–39.
 Dubois, D., and Prade, H. (1990). Rough fuzzy sets and fuzzy rough sets, International Journal of General Systems, 17, 191–208.
 Morsi, N.N., and Yakout, M.M. (1998). Axiomatics for fuzzy rough sets, Fuzzy Sets and Systems, 100, 327–342.
 Wang, Y. (2003). Mining stock price using fuzzy rough set system. Expert Systems with Applications, 24, 13–23.
 Khanjani Shiraz, R., Vincent, C. and Jalalzadeh, L. (2014). Fuzzy Rough DEA model: A possibility and expected value approaches, Expert Systems with Applications, 41, 434-444.
 Leobardo Plata-Pérez and Joss Sánchez-Pérez. (2011). Convexity and marginal contributions in bankruptcy games. EconoQuantum, 8, 61-72.
 Dagan, N., and Voliji, O. (1993). the bankruptcy problem: A cooperative bargaining approach. Mathematical Social Sciences, 26, 287-297.
 Charnes, A. Cooper, W.W. and Rhodes, E. (1978). Measuring the efficiency of decision making units. European Journal of Operational Research, 2, 429-444.
 Chambers, R.G., Chung, Y. and Fare, R. (1998). Profit directional distance function and Nerlovian efficiency. Journal of Optimization and Theory and Application, 12, 233-247
 Udaya, S., Pakala T.P.M. and Mallikarjunappa T. (2012). A modified directional distance formulation of DEA to assess bankruptcy: An application to IT/ITES companies in India. Expert Lists with Applications, 39, 1988-1997.
 Francis E.H. and Tay, L.S. (2002). Economic and Financial prediction using rough sets model. European journal of Operational Research, 141, 641-659.
 Malcolm J., Beynon. M. and Peel, J. (2001). Variable precision rough set theory and data discretisation: an application to corporate failure prediction. Omega, 29, 561-576.
 Entani, T., Maeda, Y. and Hideo, T. (2002). Dual models of interval DEA and it’s extension to interval data. European Journal of Operational Research, 136, 32-45.