id	domain	url
issue-438	doi.org	https://doi.org/10.30525/2256-0742/2018-4-3-165-171
issue-438	www.imf.org	https://www.imf.org/external/pubs/ft/wp/2002/wp02170.pdf
issue-438	www.ecb.europa.eu	https://www.ecb.europa.eu/pub
issue-438	www.mathematik.uni-ulm.de	http://www.mathematik.uni-ulm.de/carfi/vortraege/downloads/credit_ratings.pdf
issue-438	unctad.org	http://unctad.org
issue-438	www.bis.org	http://www.bis.org/publ/bcbs_wp3.pdf
issue-438	sfb649.wiwi.hu-berlin.de	http://sfb649.wiwi.hu-berlin.de/papers/pdf
issue-438	issuu.com	https://issuu.com/nataliyamykolska
issue-438	www.fitchratings.ru	https://www.fitchratings.ru/ru/regulatory/ratings-definitions.html
issue-438	www.moodys.com	https://www.moodys.com/sites/products/productattachments/2007100000528403.pdf
issue-438	www.standardandpoors.com	https://www.standardandpoors.com