1. S. Bodjanova, Granules of a fuzzy relation, in: Proceedings of AGOP 2009, Palma de Mallorca, Spain, 2009, pp. 65–70.
2. S. Bodjanova, Boundaries of evaluation functions, in: Proceedings of AGOP 2011, Benevento, Italy, 2011, pp. 159–164.
3. T- evaluators and S-evaluators;Bodjanova;Fuzzy Sets Syst.,2009
4. Gradual evaluation of granules of a fuzzy relation: R-related sets;Bodjanova,2010
5. Aggregation and Fusion of Imperfect Information,1998