Imam, A. T., Usman, L., Idris, A. and Ibrahim, S. (2024) “Product of Quasi-Idempotents in Finite Semigroup of Partial Order-Preserving Transformations.”, International Journal of Mathematical Sciences and Optimization: Theory and Applications, 10(1), pp. 53 - 59. Available at: http://ijmso.unilag.edu.ng/article/view/2046 (Accessed: 25November2024).