GELSO, Charles J. Summer-on Trial, 1965: A One-Year Follow-up Study. Florida Journal of Educational Research, [S. l.], v. 9, n. 1, p. 37–43, 1967. DOI: 10.62798/WSHF9761. Disponível em: https://journals.flvc.org/fjer/article/view/133972. Acesso em: 17 jul. 2026.