Volume & Issue: Volume 9, Issue 6, November and December 2012, Pages 1-133 
4. FUZZY GRADE OF THE COMPLETE HYPERGROUPS

Pages 43-56

Carmen Angheluta; Irina Cristea


6. A FUZZY DIFFERENCE BASED EDGE DETECTOR

Pages 69-85

M. A. Nikouei Mahani; Mohamad Koohi Moghadam; Hosein Nezamabadi-pour