Arkan A. Atshan, Shuker M. Khalil, Shadia M. Noor, and Qays H. Imran, “Neutrosophic Filters and Their Applications in BCK-Algebras”, Neutrosophic Sets Syst., vol. 94, pp. 103–115, Dec. 2025, Accessed: May 20, 2026. [Online]. Available: https://fs.unm.edu/nss8/index.php/111/article/view/7150