Examining Validity and Reliability of a Mathematics Assessment Tool for K-2 Students. Journal of Education and Development, [S. l.], v. 2, n. 1, p. p31, 2018. DOI: 10.20849/jed.v2i1.329. Disponível em: https://journal.chapjulypress.org/index.php/jed/article/view/2728. Acesso em: 7 mar. 2026.