DURGA KUMAR, C.; ANGA, V. S. A cross sectional study on defective vision among secondary school going children in Vijayawada city, Andhra Pradesh. International Journal Of Community Medicine And Public Health, [S. l.], v. 5, n. 9, p. 3995–3999, 2018. DOI: 10.18203/2394-6040.ijcmph20183585. Disponível em: https://www.ijcmph.com/index.php/ijcmph/article/view/3326. Acesso em: 27 oct. 2025.