SAPITRI, Tirta Sari et al. Student Error Analysis of Grade X Students Based on Newman’s Stages in Solving Linear Programming Problems in the Context of Tempe Production. MATH-EDU: Jurnal Ilmu Pendidikan Matematika, [S. l.], v. 11, n. 2, p. 150–163, 2026. DOI: 10.32938/jipm.v11i2.11191. Disponível em: http://jurnal.unimor.ac.id/index.php/JIPM/article/view/11191. Acesso em: 4 sept. 2026.