SIBAEN, N. W.; BUASEN, J. A.; ALIMONDO, M. S. Principal components of students’ difficulties in mathematics in the purview of flexible learning. Journal on Mathematics Education, [S. l.], v. 14, n. 2, p. 353–374, 2023. DOI: 10.22342/jme.v14i2.pp353-374. Disponível em: http://jme.ejournal.unsri.ac.id/index.php/jme/article/view/349. Acesso em: 19 may. 2024.