Team, S. (2016) “Outermost-Strongly Solid Variety of Commutative Semigroups: Sorasak Leeratanavalee”, Thai Journal of Mathematics, 14(2), pp. 305–313. Available at: https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/598 (Accessed: 18 May 2024).