Rao, T.Rama, Ch.Prabhakara Rao, Tigist Embiale, and Eyerusalem W/Yohannes. 2013. “Fuzzy Prime Ideals And Filters Of Lattices”. International Journal Of Mathematics And Computer Research 1 (07), 197-203. https://ijmcr.in/index.php/ijmcr/article/view/214.