Random Forest and XGBoost for Mobile-Number Validity Classification. SYNTIA (Systems and Technologies in Artificial Intelligence Applications), [S. l.], v. 1, n. 2, p. 67–78, 2026. DOI: 10.22487/SYNTIA/8. Disponível em: https://journal.jti.fatek.untad.ac.id/syntia/article/view/8. Acesso em: 7 nov. 2026.