NURHIDAYAH, Dwi Avita; IKMAWATI, Egidia; WAHYUDI. Watson’s Error Category: Analysis of Student Errors in Solving Algebraic Calculation Operation Problems. Journal of Education and Learning Mathematics Research (JELMaR), [S. l.], v. 5, n. 2, p. 206–216, 2024. DOI: 10.37303/jelmar.v5i2.3807. Disponível em: https://jelmar.wisnuwardhana.ac.id/index.php/jelmar/article/view/30. Acesso em: 25 aug. 2026.