[1]
Ibrahim, A.R., Omer, Z.Q., Hasan, H.S. and Saleem Almola, W.M. 2020. Bolton Ratio of Different Angle’s Classifications in a School Children Sample of Erbil City: A Cross‑sectional Study. Polytechnic Journal. 10, 2 (Dec. 2020), 87-97. DOI:https://doi.org/10.25156/ptj.v10n2y2020.pp87-97.