1.
พรมตรุษ อ, ปุ่มสันเทียะ อ. Misconceptions and Mistakes in Mathematics on Inequality of Ninth Grade Students. EDUCU [Internet]. 2019 Dec. 27 [cited 2024 May 20];47(4):539-61. Available from: https://so02.tci-thaijo.org/index.php/EDUCU/article/view/232138