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EFLAT
http://decsai.ugr.es/flat/eflat.html
Spanish Association of Fuzzy Logic and Technologies
EUROFUSE
http://allserv.rug.ac.be/~bdebaets/eurofuse.html
EURO Working Group on Fuzzy Sets
EUSFLAT
http://decsai.ugr.es/eusflat/eusflat.html
EUropean Society for Fuzzy Logic And Technology
IFSA
http://www.abo.fi/~rfuller/ifsa.html
International Fuzzy Systems Association
NAFIPS
http://morden.csee.usf.edu/Nafipsf/
North American Fuzzy Information Processing Society