นาถาดทอง ช.; สุกใส ช.; ไชยณรงค์ ป. Learning Elements Affecting an Achievement of Mathematics Learning of the Lower High School Students under Ubon Ratchathani Municipality. Ubon Ratchathani Journal of Research and Evaluation, [S. l.], v. 4, n. 2, p. 98–104, 2021. Disponível em: https://so06.tci-thaijo.org/index.php/ubonreseva/article/view/250993. Acesso em: 3 oct. 2026.