NOOMTUAM, P.; CHANTACHON, S.; CHAMPADAENG, S. Improving Supplementary Readings Concerned Local History for Elementary Students. RMUTI JOURNAL Humanities and Social Sciences, [S. l.], v. 3, n. 1, p. 14–26, 2016. Disponível em: https://so05.tci-thaijo.org/index.php/RMUTI_SS/article/view/193600. Acesso em: 18 aug. 2022.