Muhammad Aslam Malik, Ali Hassan, Said Broumi, and F. Smarandache, “Regular Bipolar Single Valued Neutrosophic Hypergraphs”, Neutrosophic Sets Syst., vol. 13, pp. 84–89, Dec. 2016, Accessed: Nov. 22, 2024. [Online]. Available: https://fs.unm.edu/nss8/index.php/111/article/view/4197