K. Meenatchi, and M. Kaliraja. “A Study on Bipolar Valued Multi \(I\)-Fuzzy Subhemirings of a Hemiring”. Malaya Journal of Matematik 8, no. 04 (January 1, 2020): 1859–1866. Accessed April 11, 2025. https://www.malayajournal.org/index.php/mjm/article/view/1771.