BEKER, J. .; FEUERSTEIN, R. Toward a Common Denominator in Effective Group Care Programming: The Concept of the Modifying Enviornment. Journal of Child and Youth Care Work, [S. l.], v. 7, p. 20–30, 1991. Disponível em: http://acycpjournal.pitt.edu/ojs/jcycw/article/view/179. Acesso em: 25 apr. 2024.