1. 1. Korsemov, D., D. Borissova, I. Mustakerov. Combinatorial Optimization Model for Group Decision-Making. – Cybernetics and Information Technologies, Vol. 18, 2018, No 2, pp. 65-73.10.2478/cait-2018-0028
2. 2. Borissova, D. Group Decision Making for Selection of k-Best Alternatives. – Compt. Rend. Acad. bulg. Sci., Vol. 69, 2016, No 2, pp. 183-190.
3. 3. Borissova, D., I. Mustakerov, D. Korsemov. Business Intelligence System via Group Decision Making. – Cybernetics and Information Technologies, Vol. 16, 2016, No 3, pp. 219-229.10.1515/cait-2016-0045
4. 4. Peneva, V., I. Popchev. Models for Weighted Aggregation of Fuzzy Relations to Multicriteria Decision Making Problems. – Cybernetics and Information Technologies, Vol. 6, 2006, No 3, pp. 3-18.
5. 5. Popchev, I., I. Radeva. A Decision Support Method for Investment Preference Evaluation. – Cybernetics and Information Technologies, Vol. 6, 2006, No 1, pp. 3-16.