Satyanarayana, B., L. Krishna, and R. Prasad. “On Interval-Valued Intuitionistic Fuzzy Hyper BCK-Ideals of Hyper BCK Algebras”. JOURNAL OF ADVANCES IN MATHEMATICS 7, no. 2 (March 21, 2014): 1219–1226. Accessed July 22, 2024. https://rajpub.com/index.php/jam/article/view/7247.