Kitthao K, Chummuengyen I. A Study of Mathematical Misconception About the Geometry of 2nd Year Students in Mathematics, Faculty of Education Nakhonsawan Rajabhat University. edunsruj [internet]. 2022 Dec. 25 [cited 2025 Dec. 8];5(3):144-5. available from: https://so02.tci-thaijo.org/index.php/edunsrujo/article/view/258332