Eunsuk Yang, Eun Hwan Roh, Young Bae Jun. Ordered subalgebras of ordered BCI-algebras based on the MBJ-neutrosophic structure. Neutrosophic Sets Syst. 2024;63:1-16. Accessed May 18, 2025. https://fs.unm.edu/nss8/index.php/111/article/view/3865