D. Ramesh, M.Sudheer Kumar, N. Srimannarayana, D. Devanandam, B.Satyanarayana. “RESULTS ON QUOTIENT B F-ALGEBRAS VIA INTERVAL VALUED FUZZY DUAL IDEALS”. International Journal of Advanced Science and Technology, Vol. 29, no. 8s, Apr. 2020, pp. 1193 -97, http://sersc.org/journals/index.php/IJAST/article/view/11892.