International Journal of Fuzzy Systems
International Journal of Fuzzy Systems > 2019 > 21 > 2 > 369-387
International Journal of Fuzzy Systems > 2019 > 21 > 2 > 655-673
International Journal of Fuzzy Systems > 2019 > 21 > 2 > 518-531
International Journal of Fuzzy Systems > 2019 > 21 > 2 > 676-684
International Journal of Fuzzy Systems > 2019 > 21 > 2 > 454-467
International Journal of Fuzzy Systems > 2019 > 21 > 2 > 421-432