IBRAHIM, A. R.; OMER, Z. Q.; HASAN, H. S.; SALEEM ALMOLA, W. M. Bolton Ratio of Different Angle’s Classifications in a School Children Sample of Erbil City: A Cross‑sectional Study. Polytechnic Journal, [S. l.], v. 10, n. 2, p. 87-97, 2020. DOI: 10.25156/ptj.v10n2y2020.pp87-97. Disponível em: https://journals.epu.edu.iq/index.php/polytechnic/article/view/249. Acesso em: 5 may. 2024.