Kader, M. A., Tarafder, S., Anwar, A. A., Sajj, A. B., Badiuzzaman, .-., Karmokar, P. K. and Das, C. (2018) “Study of Refractive Errors on School going Children in North West Zone of Bangladesh”, TAJ: Journal of Teachers Association, 29(1), pp. 1–6. doi: 10.3329/taj.v29i1.39084.