ECKLES, Frank et al. Final Phases In The Development And Implementation Of The North American Certification Project (NACP). Journal of Child and Youth Care Work, [S. l.], v. 22, p. 120–151, 2009. Disponível em: https://acycpjournal.pitt.edu/ojs/jcycw/article/view/433. Acesso em: 20 jan. 2026.