PUTRI, H. E.; WAHYUDY, M. A.; YULIYANTO, A.; NURAENI, F. Development of Instruments to Measure Mathematical Anxiety of Elementary School Students. International Journal of Learning, Teaching and Educational Research, [S. l.], v. 19, n. 6, p. 282–302, 2020. Disponível em: https://ijlter.net/index.php/ijlter/article/view/317. Acesso em: 8 aug. 2026.