Thongkhot, Poonsap, Narumon Changsri, and Somnuek Worawiset. 2023. “Students’ Conceptual Understanding on Division with Decimals in Mathematics Classroom”. Dhammathas Academic Journal 23 (4):127-38. https://so06.tci-thaijo.org/index.php/dhammathas/article/view/263966.