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2. Ćirović, G. (1999), “Business Process Reengineering in Construction Industry”, Faculty of Civil Engineering (in Serbian).
3. Rough sets
4. Pawlak, Z. (1995), “Rough sets approach to knowledge‐based decision support”, in Slowinski, R. (Ed.), Semi‐Plenary Papers, 14th European Conference on Operational Research (EURO XIV), Invited Lecture, Jerusalem, pp. 225–35.
5. Fuzzy sets