LASTARI, Dwi Wirda; KARTINI, Kartini. 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, Indonesia, INA, 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: 11 apr. 2025.