BRENDEFUR, J.; STROTHER, S.; THIEDE, K.; APPLETON, S. DEVELOPING MULTIPLICATION FACT FLUENCY. Advances in Social Sciences Research Journal, [S. l.], v. 2, n. 8, 2015. DOI: 10.14738/assrj.28.1396. Disponível em: https://journals.scholarpublishing.org/index.php/ASSRJ/article/view/1396. Acesso em: 4 dec. 2021.