M. P. Aparna, R. Akhila. Principal Topology on a Rees Matrix Semigroup using Green’s Left Quasiorder. Int. J. Math. And Appl. [Internet]. 2020 Sep. 15 [cited 2025 Sep. 22];8(3):51-7. Available from: https://ijmaa.in/index.php/ijmaa/article/view/128