WITOORANGGUL, W.; PIROMJITPONG, S.; TONGPITAK, N. A Development of a Diagnostic Test on the Topic of Fraction for Mathayom Suksa 1 Students. Ubon Ratchathani Journal of Research and Evaluation, [S. l.], v. 7, n. 1, p. 40–48, 2018. Disponível em: https://so06.tci-thaijo.org/index.php/ubonreseva/article/view/138450. Acesso em: 29 mar. 2024.