Shahid, S., S. A. Rauf, S. Dastgir, F. Ali, R. Saifullah, and U. Fatima. “Association of Asthenopia With Refractive Errors in Madrassa Students”. KHYBER MEDICAL UNIVERSITY JOURNAL, vol. 15, no. 2, June 2023, pp. 101-5, doi:10.35845/kmuj.2023.23247.