id	domain	url
gatesol-68	www.cia.gov	https://www.cia.gov/library/publications/the-world-factbook/geos/br.html
gatesol-68	www.jstor.org	http://www.jstor.org/stable/23364869
gatesol-68	doi.org	https://doi.org/10.1016/j.ijintrel.2008.04.005
gatesol-68	www.cia.gov	https://www.cia.gov/library/publications/the-world-factbook/geos/br.html
gatesol-68	www.jstor.org	http://www.jstor.org/stable/23364869