참고문헌
- A. Shannon, D. Langova-Orozova,, E. Sotirova, I. Petrounias, K. Atanassov, M. Krawczak, P. Melo-Pinto, S. Melliani, T. Kim, Generalized net model of intranet in an abstract university, Proc. Jangjeon Math. Soc. 7 no. 1(2004), 81-88.
- A. Shannon, D. Langova-Orozova,, E. Sotirova, I. Petrounias, P. Melo-Pinto, K. Atanassov, T. Kim, Generalized Net Model for Adaptive Electronic Assessment, Using Intuitionistic Fuzzy Estimations., Proc. IEE Conf. 8 no. 1(2004), 1-7
- E. Sotirova, D. Orozova-Langova, Atanassov, K. Intuitionistic Fuzzy Sets, Springer, Heidelberg, 1999.