MESARIUS, G.; SURYA, E. Improve Learning Outcomes of Comparing Fractions by using the Realistic Mathematical Learning Approach in Class iii of Public Primary School 040457 of Berastagi. International Journal of Sciences: Basic and Applied Research (IJSBAR), [S. l.], v. 34, n. 1, p. 166–174, 2017. Disponível em: https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/7583. Acesso em: 29 apr. 2024.