id	domain	url
issue-631	doi.org	https://doi.org/10.30525/2256-0742/2019-5-2-24-29
issue-631	www.capturingthegains.org	http://www.capturingthegains.org/pdf/ctg-wp-2010-03.pdf
issue-631	www.transparency.org	http://www.transparency.org