JURIĆ, Josipa; PJANIĆ, Karmelita. An Overview of Mental Calculation Strategies and the Frequency of Their Application. Journal of Elementary Education, [S. l.], v. 16, n. 3, p. 277–294, 2023. DOI: 10.18690/rei.16.3.3087. Disponível em: https://journals.um.si/index.php/education/article/view/3087. Acesso em: 5 dec. 2025.