Takaaki Fujita and Florentin Smarandache (2025) “ Neutrosophic Circular-arc Graphs and Proper circular-arc graphs”, Neutrosophic Sets and Systems, 78, pp. 1–30. Available at: https://fs.unm.edu/nss8/index.php/111/article/view/5444 (Accessed: 2 February 2025).