KASSA , T.; ALENE2, G. D. Prevalence of refractive errors in pre-school and school children of Debark and Kola Diba towns, North-western Ethiopia. The Ethiopian Journal of Health Development , [S. l.], v. 17, n. 2, 2017. Disponível em: https://ejhd.org/index.php/ejhd/article/view/718. Acesso em: 6 may. 2024.