Al-Ghamdi AK, et al. “PREVALENCE OF CONGENITAL COLOUR VISION DEFICIENCY AMONG SECONDARY SCHOOL MALE STUDENTS IN ALMADINA ALMUNAWARA (SAUDI ARABIA)”. Malaysian Journal of Public Health Medicine, vol. 18, no. 1, May 2018, pp. 97-101, doi:10.37268/mjphm/vol.18/no.1/art.245.