ROJAS ROJAS, J. A.; SOTELO SÁNCHEZ, K. J. . What mistakes do elementary school students make when solving additive word problems?. Torreon Universitario Magazine, [S. l.], v. 11, n. 30, p. 51–59, 2022. DOI: 10.5377/rtu.v11i30.13393. Disponível em: https://camjol.info/index.php/torreon/article/view/13393. Acesso em: 17 aug. 2024.