ยศสิริพิมล ภ, แหยมแสง ว, แหยมแสง น, หาดแก้ว ภ. The Effects of Mathematics Learning Activities on Fractions Based on the Constructivism Theory on Matthayom Sueksa One Students. rusoc [internet]. 2020 Dec. 31 [cited 2025 Apr. 4];23(2):1-15. available from: https://so05.tci-thaijo.org/index.php/rusoc/article/view/248884