F. Balogun and D. Singh, “SOME CHARACTERIZATIONS FOR THE DIMENSION OF ORDERED MULTISETS”, FJS, vol. 1, no. 1, pp. 84–87, Mar. 2023, Accessed: Oct. 29, 2025. [Online]. Available: http://www.fjsadmin.fudutsinma.edu.ng/index.php/fjs/article/view/1225