ELLENA, R. C.; SUMINAR, D. R. Effectiveness Cooperative Learning Numbered Heads Together to Improve the Social Skills of Kindergarten’s Student. International Journal of Social Sciences and Humanities Invention, [S. l.], v. 5, n. 1, p. 4344–4349, 2018. DOI: 10.18535/ijsshi/v5i1.16. Disponível em: https://valleyinternational.net/index.php/theijsshi/article/view/1063. Acesso em: 23 apr. 2024.