1. Bażan, J. (1998). A comparison of dynamic and non -dynamic rough set methods for extracting laws from decision system. In: L. Polkowski, A. Skowron (Eds.). Rough set in knowledge discovery, 1, 321-365, Physica-Verlag: Heidelberg.
2. De Toni, A., Nassimbeni, G., & Tonchia, S. (1995). An inst rument for quality performance measurement . International Journal of Production Economics, 38, 199-207.
3. De Brucker, K., Macharis, C., & Verbeke A. (2011). Multi-criteria analysis in transport project evaluation: an institutional approach. European Transport, 47, 3-24.
4. Multiple Criteria Decision Analysis. State of the Art Surveys;Figueira,2005
5. Greco, S., Mat arazzo, B., & Słowiński, R. (1998). A new rough set approach to evaluation of bankruptcy risk. In: C. Zopounidis (Ed.). Operational tools in the management of financial risk (pp. 121-136). Kluwer Academic Publishers: Dordrecht.