NUNGESTER, Ronald J.; KING, F. J. Multiple Regression Procedures for the Prediction of Item Difficulties. Florida Journal of Educational Research, [S. l.], v. 20, n. 1, p. 52–64, 1978. Disponível em: https://journals.flvc.org/fjer/article/view/133782. Acesso em: 4 dec. 2024.