LASTARI, D. W. .; KARTINI, K. Analysis of Student Errors in Solving Problems with Positive and Negative Integers. Jurnal Math Educator Nusantara: Wahana Publikasi Karya Tulis Ilmiah di Bidang Pendidikan Matematika, [S. l.], v. 8, n. 2, p. 189–201, 2022. DOI: 10.29407/jmen.v8i2.18308. Disponível em: https://ojs.unpkediri.ac.id/index.php/matematika/article/view/18308. Acesso em: 5 jan. 2025.