id	domain	url
issue-567	doi.org	https://doi.org/10.30525/2256-0742/2018-4-5-266-270
issue-567	scholarship.shu.edu	http://scholarship.shu.edu/dissertations/682
issue-567	www.etsg.org	www.etsg.org/etsg2009/papers/thede.pdf
issue-567	www.worldbank.icebox.ingenta.com	http://www.worldbank.icebox.ingenta.com
issue-567	www.worldbank.icebox.ingenta.com	http://www.worldbank.icebox.ingenta.com/content/wb
issue-567	ec.europa.eu	http://ec.europa.eu/dgs/home-affairs/e-library
issue-567	trade.ec.europa.eu	http://trade.ec.europa.eu/doclib/docs/2013/march/tradoc_150737.pdf