หมุนอุดม ว.; อักษรวงศ์ ร. Development of Learning Engagement Test of Matthayom Suksa 3 Students. Ubon Ratchathani Journal of Research and Evaluation, [S. l.], v. 5, n. 2, p. 71–80, 2021. Disponível em: https://so06.tci-thaijo.org/index.php/ubonreseva/article/view/251023. Acesso em: 3 oct. 2026.