RAMILO, R.; CRUZ, M. P.; D. GEANGA, J. P.; FAUSTINO, J. B. Teachers’ perspectives on optimizing manipulatives in teaching 21st century skills in kindergarten. Journal of Childhood, Education & Society, [S. l.], v. 3, n. 1, p. 1–11, 2022. DOI: 10.37291/2717638X.20223198. Disponível em: https://www.j-ces.com/index.php/jces/article/view/98. Acesso em: 11 aug. 2022.