BACAKOĞLU, T. Y.; IŞIK TERTEMIZ, N. . Students’ Mental Addition Strategies and the Effects of Strategy Training: A Longitudinal Study. International Electronic Journal of Elementary Education, [S. l.], v. 14, n. 4, p. 557–572, 2022. Disponível em: https://iejee.com/index.php/IEJEE/article/view/1823. Acesso em: 30 jan. 2025.