Thomson Reuters EBSCO Index Copernicus (ICV 2019 = 99.12) The European Reference Index for the Humanities and the Social Sciences (ERIH PLUS) ECONBIZ Research Bible ROAD Open Academic Journals Index (OAJI) MIAR (ICDS= 3.301) German National Library of Economics Scientific Indexing Services Publons PIE Scholarsteer InfoBase Index ZDB WorldCat POL-index PBN ProQuest