Abdalla, A., & Said Taha, N. (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