Thamonwan Kottapan, Pavaputanon D. Mathematical Reasoning of Grade 7 Students in Mathematics Classroom . GS KKU HS [Internet]. 2022 May 1 [cited 2024 Apr. 28];10(1):72-81. Available from: https://so04.tci-thaijo.org/index.php/gskkuhs/article/view/251372