Get more information from:
http://www.quandl.com/sudan
https://www.cia.gov/library/publications/the-world-factbook/geos/su.html
http://embassysouthsudandelhi.org/business-environment/
http://data.worldbank.org/country/south-sudan#cp_wdi
http://www.nationsencyclopedia.com/geography/Slovenia-to-Zimbabwe-Cumulative-Index/Sudan.html
http://countrystudies.us/sudan/47.htm
http://www.quandl.com/sudan
https://www.cia.gov/library/publications/the-world-factbook/geos/su.html
http://embassysouthsudandelhi.org/business-environment/
http://data.worldbank.org/country/south-sudan#cp_wdi
http://www.nationsencyclopedia.com/geography/Slovenia-to-Zimbabwe-Cumulative-Index/Sudan.html
http://countrystudies.us/sudan/47.htm