NURHALIZA, S. Development of Power Point-Based Mathematics Learning Media on Systems of Linear Equations with Three Variables. EDUCTUM: Journal Research, [S. l.], v. 2, n. 2, p. 43–45, 2023. DOI: 10.56495/ejr.v2i2.437. Disponível em: https://jurnal.larisma.or.id/index.php/EJR/article/view/437. Acesso em: 5 jul. 2025.