HALL, Ralph L. Instructional Program Evaluation: Some Considerations. Florida Journal of Educational Research, [S. l.], v. 10, n. 2, p. 59–64, 1968. DOI: 10.62798/KWXN9255. Disponível em: https://journals.flvc.org/fjer/article/view/133934. Acesso em: 6 dec. 2025.