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Prevalence of reduced visual acuity and its association with usage of digital devices among A/L students in the Jaffna Educational Division

Prevalence of reduced visual acuity and its association with usage of digital devices among A/L students in the Jaffna Educational Division

Perera, D.J.D.; Dharmawardhana, R.G.I.N.; Coonghe, P. A. D.; Chandrakumar, S.T.S.; Kumar, R.
URI: http://repo.lib.jfn.ac.lk/ujrr/handle/123456789/7664
Date: 2018

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