อังคุระษี ร, สุกใส ช, ศิริวงศ์ พ. The Development of the Group Dynamic Activities of Mathematics on the Parallel for Matthayom Suksa Two Students. ubonreseva [internet]. 2021 Aug. 27 [cited 2026 Sep. 21];4(1):88-95. available from: https://so06.tci-thaijo.org/index.php/ubonreseva/article/view/250970