https://www.nbs.rs/export/sites/NBS_site/documents-eng/mediji/govori/JT_KBF_20230306_eng.pdf
https://cepr.org/sites/default/files/policy_insights/PolicyInsight91.pdf
https://www.taxpolicycenter.org/sites/default/files/publication/163549/report-taxing-business-incomes-evidence-from-the-survey-of-consumer-finances.pdf
http://www.ebrd.com/news/events/ebrd-transition-report-201718.html