
http://europa.eu/rapid/press-release_IP-17-3045_en.htm

http://www.uni-corvinus.hu/fileadmin/user_upload/en/faculty_of_economics/trainings/AppliedEconomics/Visegrad/Visegrad_Central_Asia_ebook.pdf

https://www.corporatebenchmark.org/sites/default/files/2019-11/CHRB2019KeyFindingsReport.pdf