G. Muhiuddin, B. Elavarasan, K. Porselvi, and D. Al-Kadi. 2023. “Properties of Neutrosophic N-Ideals in Subtraction Semigroups”. Neutrosophic Sets and Systems 60 (December): 494-507. https://fs.unm.edu/nss8/index.php/111/article/view/3807.