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- Interval-valued -fuzzy K-algebras vol.11, pp.1, 2011, https://doi.org/10.1016/j.asoc.2010.02.020
- Soft set theory applied to p-ideals of BCI-algebras related to fuzzy points vol.20, pp.8, 2011, https://doi.org/10.1007/s00521-010-0460-y