Yuedpuak J, Angganapattarakajorn V, Nualpang K. The effects of Learning Activity Management Based on Constructivist Theory with SQRQCQ Strategy on Mathematical Concepts and Problem Solving Ability of Mathayomsuksa 1 Students. JBER [internet]. 2026 Mar. 4 [cited 2026 Oct. 8];12(1):454-72. available from: https://so06.tci-thaijo.org/index.php/jber/article/view/286541