International Journal of Uncertainty, Fuzziness and Knowledge-Based Systems, Volume 27

Volume 27, Number 1, February 2019

Volume 27, Number 2, April 2019

Volume 27, Number 3, June 2019

Volume 27, Number 4, August 2019

Volume 27, Number 5, October 2019

Volume 27, Number 6, December 2019

Volume 27, Number Supplement-1, December 2019

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