OKTAFIA, M.; PUTRA, A.; HABIBI, M. The Analysis of Students’ Error in Operation Reseach Test for Linear Program Topic Based on Newman’s Error Analysis (NEA). Edumatika : Jurnal Riset Pendidikan Matematika, [S. l.], v. 3, n. 2, p. 103–112, 2020. DOI: 10.32939/ejrpm.v3i2.591. Disponível em: https://ejournal.iainkerinci.ac.id/index.php/edumatika/article/view/591. Acesso em: 13 jun. 2021.