ALYA NOVITA; MAILANI, E. . Analysis of Students Difficulties in Solving Mathematics Problems on Number Operations Material Using Qualitative Descriptive Methods for Class IV Students. Indonesian Journal of Advanced Research, [S. l.], v. 2, n. 12, p. 1615–1626, 2023. DOI: 10.55927/ijar.v2i12.7170. Disponível em: https://journal.formosapublisher.org/index.php/ijar/article/view/7170. Acesso em: 19 apr. 2026.