อักษรกาญจน์ ส. “The Study of the Analytical Thinking Ability of the Students in Faculty of Education, Suratthani Rajabhat University”. Ratchaphruek Journal, vol. 17, no. 2, June 2019, pp. 24-32, https://so05.tci-thaijo.org/index.php/Ratchaphruekjournal/article/view/194377.