%0 Journal Article %T A Study on Rough, Fuzzy and Rough Fuzzy Bi-ideals of Ternary Semigroups %A Sompob Saelee %A Ronnason Chinram %J IAENG International Journal of Applied Mathematics %D 2011 %I International Association of Engineers (IAENG) %U http://www.iaeng.org/IJAM/issues_v41/issue_3/IJAM_41_3_01.pdf