ANGGRAINI, Linda; WULANDARI, Shinta; R, Nurmala. An Errors of Class VIII Junior High School Students in Solving Mathematical Communication Problems Based on the Newman Procedure. Journal of Education and Learning Mathematics Research (JELMaR), [S. l.], v. 3, n. 2, p. 103–108, 2022. DOI: 10.37303/jelmar.v3i2.120. Disponível em: https://jelmar.wisnuwardhana.ac.id/index.php/jelmar/article/view/120. Acesso em: 25 aug. 2026.