L. PIMENTEL, J.; U. ENOCK, O. The Effect of Retention Interval Over a Three Year Period on the Elementary Algebra Performance of High School Students. International Journal of Sciences: Basic and Applied Research (IJSBAR), [S. l.], v. 43, n. 2, p. 181–194, 2019. Disponível em: https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/9789. Acesso em: 6 may. 2024.