WARD, Christopher J.; ENGEL, Rafael; NEWMAN, Sally. A Training Model for Older Adults for Work in Child Care and Employment Retention. Journal of Child and Youth Care Work, [S. l.], v. 12, p. 68–79, 1998. Disponível em: https://acycpjournal.pitt.edu/ojs/jcycw/article/view/262. Acesso em: 16 may. 2026.