Mahfouz, Mohamed Salih, Abdelrahim Mutwakel Gaffar, and Ibrahim Ahmed Bani. “Iodized Salt Consumption in Sudan: Present Status and Future Directions”. Journal of Health, Population and Nutrition 30, no. 4 (January 15, 2013): 431–438. Accessed January 19, 2022. https://www.banglajol.info/index.php/JHPN/article/view/13326.