DHLAMINI, Z. B.; KIBIRIGE, I. Grade 9 Learners’ Errors And Misconceptions In Addition Of Fractions. Mediterranean Journal of Social Sciences, [S. l.], v. 5, n. 8, p. 236, 2014. Disponível em: https://www.richtmann.org/journal/index.php/mjss/article/view/2551. Acesso em: 29 sep. 2022.