1. GIEWS - Global Information and Early Warning System Country Briefs, Sudan (FAO, 2020); http://www.fao.org/giews/countrybrief/country.jsp?code=SDN
2. Sudan Wheat Imports by Year (IndexMundi, 2019); https://www.indexmundi.com/agriculture/?country=sd&commodity=wheat&graph=imports
3. World Population Prospects: The 2017 Revision (UN, 2017); https://population.un.org/wpp/Graphs/DemographicProfiles
4. Sudan Wheat Production by Year (IndexMundi, 2019); https://www.indexmundi.com/agriculture/?country=sd&commodity=wheat&graph=production
5. Elbushra, A., Elsheikh, O. & Salih, A. Department of agricultural impact of exchange rate reforms on Sudan’s economy: applied general equilibrium analysis. Afr. J. Agric. Res. 5, 442–448 (2010).