Sommanee, W., Pintakaew, K., & Thummard, P.- on. (2026). The Number of Elements of Transformation Semigroups TE(X), T3(X) and TE*(X). The Golden Teak : Science and Technology Journal (GTSJ.), 4(1), 25–34. retrieved from https://li02.tci-thaijo.org/index.php/gts/article/view/1762