Pichai S, Siriwallop D, Phimbaotham T. Clustering of ESTS Test Scores of Students in the Faculty of Science and Technology at Loei Rajabhat University. KKU Sci. J. [internet]. 2025 Oct. 3 [cited 2026 Sep. 19];53(3):401-2. available from: https://ph01.tci-thaijo.org/index.php/KKUSciJ/article/view/261516