Zulfiqar, K., U. Bahir, O. K. Durrani, and H. Kiani. “Assessment of the Most Preferred Facial Profile Amongst Patients and Orthodontists”. Pakistan Orthodontic Journal, vol. 5, no. 2, Dec. 2013, pp. 38-43, https://poj.org.pk/index.php/poj/article/view/80.