Peter, Chinedu, and Dasharath Singh. “SET-BASED ORDERING ON SIMPLE MULTISETS OF INCOMPARABLE OBJECTS”. FUDMA JOURNAL OF SCIENCES 3, no. 2 (April 7, 2023): 263 - 267. Accessed December 20, 2024. https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/1513.