G. Muthumari, and R. Narmada Devi. “Homomorphism and Isomorphism of Neutrosophic Over Topologized Graphs”. Neutrosophic Sets and Systems 53 (January 1, 2023): 519–529. Accessed June 1, 2025. https://fs.unm.edu/nss8/index.php/111/article/view/3242.