1.
Hongwiset P. Problem-Based Learning Management Study with KWDL Technique Problems of Addition, Subtraction, Multiplication, Division of People of 4th Grade. ambj [internet]. 2023 Aug. 28 [cited 2026 Oct. 1];8(2):65-76. available from: https://so06.tci-thaijo.org/index.php/ambj/article/view/264763