PIKUNSRI, T.; CHUEASATHUCHON, C.; CHUEASATHUCHON, C. Variables Affecting Ability in Mathematical Reasoning of Matthayom Suksa 1 Students at Opportunity Expansion Schools under the Amnatcharoen Primary Educational Service Area Office. Ubon Ratchathani Journal of Research and Evaluation, [S. l.], v. 6, n. 2, p. 81–90, 2021. Disponível em: https://so06.tci-thaijo.org/index.php/ubonreseva/article/view/251049. Acesso em: 3 oct. 2026.