Hazarika, H. N., Bhuyan, D., Hazarika, S. C. and Addya, S. (2017) “Refractive errors in age group seven to fifteen years: North-east India scenario”, International Journal Of Community Medicine And Public Health, 4(6), pp. 1928–1931. doi: 10.18203/2394-6040.ijcmph20172151.