Abdalla, Adam, and NosybaAwad Said Taha. 2016. “THE PREVALENCE OF VITAMIN A DEFICIENCY AMONG CHILDREN BETWEEN 6- 9 YEARS OLD, EL FATEH QURAN SCHOOL, OMDURMAN LOCALITY, KHARTOUM STATE, SUDAN”. International Journal of Research -GRANTHAALAYAH 4 (4):97-102. https://doi.org/10.29121/granthaalayah.v4.i4.2016.2760.