Ahmed, S., M. M. Chaudhary, Q. ul A. Malik, A. Anwar, and H. T. Saad. “A Comprehensive Cross-Sectional Analysis of Prevalence of Congenital Color Vision Deficiency Among Patients”. Journal of Liaquat University of Medical & Health Sciences, vol. 23, no. 02, June 2024, pp. 146-50, http://121.52.154.205/index.php/jlumhs/article/view/1231.