Thylefors, B., Négrel, A. D., Pararajasegaram, R. & Dadzie, K. Y.(1995). Global data on blindness.. Bulletin of the World Health Organization, 73 (1), 115 - 121. World Health Organization. https://apps.who.int/iris/handle/10665/263950
Journal
Bulletin of the World Health Organization, 73 (1): 115 - 121
