LAI, C.-H.; LEE, T.-P.; JONG, B.-S.; HSIA, Y.-T. Using SPRT+ to Reduce Measure Time on Student Learning Efficiency by Pre-defined Student’s Confidence Indicator. International Journal of Emerging Technologies in Learning (iJET), [S. l.], v. 9, n. 3, p. pp. 55–58, 2014. DOI: 10.3991/ijet.v9i3.3317. Disponível em: https://online-journals.org/index.php/i-jet/article/view/3317. Acesso em: 27 jan. 2022.