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1 M. Riaz, "bipolar fuzzy ordered weighted geometric aggregation operators and their application using internal and external cubic bipolar fuzzy data" 38-87, 2019
2 T. K. Mondal, "Topology of interval-valued fuzzy sets" 30 (30): 133-189, 1999
3 Y. Komori, "The class of BCC-algebras is not a variety" 29 : 391-394, 1984
4 W. A. Dudek, "On proper BCC-algebras" 20 : 137-150, 1992
5 W. A. Dudek, "On ideals and congruences in BCC-algebras" 48 (48): 21-29, 1998
6 K. Iseki, "On BCI-algebras" 8 (8): 125-130, 1980
7 W. A. Dudek, "Normalizations of fuzzy BCC-ideals in BCC-algebras" 3 : 17-24, 1999
8 K. Atanassov, "Intuitionistic fuzzy sets" 20 : 87-96, 1986
9 K. Iseki, "Ideal theory of BCK-algebras" 21 (21): 351-366, 1976
10 L. A. Zadeh, "Fuzzy sets" 8 : 338-353, 1965
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