Team, Support. “The Relative Rank of Orientation-Preserving or Orientation-Reversing Transformation Semigroups With Restricted Range on a Finite Chain: Kittisak Tinpun”. Thai Journal of Mathematics (March 31, 2022): 27–35. Accessed November 21, 2024. https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/1284.