หมุนอุดม ว, อักษรวงศ์ ร. Development of Learning Engagement Test of Matthayom Suksa 3 Students. ubonreseva [internet]. 2021 Aug. 29 [cited 2026 Oct. 3];5(2):71-80. available from: https://so06.tci-thaijo.org/index.php/ubonreseva/article/view/251023