ทองอ่อน อ. The Results of Learning Management in Economics Course Using to the Cooperative Learning with the STAD Technique on Learning Achievement of Mathayomsuksa Two Students. edunsruj [internet]. 2021 Apr. 29 [cited 2026 Oct. 9];4(1):90-9. available from: https://so02.tci-thaijo.org/index.php/edunsrujo/article/view/253821