Bhusal, P., S. Timilsina, R. L. Yadav, N. K. Sapkota, and M. N. Islam. “Colour Vision Deficiency Among Medical Students of Chitwan”. Journal of Chitwan Medical College, vol. 10, no. 4, Dec. 2020, pp. 87-89, https://nepjol.info/index.php/JCMC/article/view/33471.