Volume & Issue: Volume 6, Issue 4, November and December 2009, Pages 1-87 
4. FUZZY PSEUDOTOPOLOGICAL HYPERGROUPOIDS

Pages 11-19

Irina Cristea; Sarka Hoskova


6. T-FUZZY CONGRUENCES AND T-FUZZY FILTERS OF A BL-ALGEBRA

Pages 37-47

Rajab Ali Borzooei; Mahmood Bakhshi


9. SOME PROPERTIES OF T-FUZZY GENERALIZED SUBGROUPS

Pages 73-87

Mahmood Bakhshi; Rajab Ali Borzooei