Rajasekaran, and O. Ravi. “Fuzzy I.∨f-Sets and Fuzzy I.∧f-Sets”. International Journal of Current Research in Science and Technology 1, no. 4 (April 30, 2015): 1-6. Accessed January 15, 2025. https://crst.gfer.org/index.php/crst/article/view/15.