• Elsevier BV

• Consejo Superior de Investigaciones Científicas (CSIC), University of Granada, Extremadura, Carlos III (Madrid)

3

ARIANTA – Scientific and industrial Polish e-journals

• Silesian University Library

4

BazEkon

• Main Library of the Cracow University of Economics,
• Main Library of the Wroclaw University of Economics,
• Main Library of the Poznan University of Economics,
• Library of the Warsaw School of Economics,
• Main Library of the Katowice University of Economics,
• Economical Library of the Faculty of Economical Sciences and Management of the University of Szczecin,
• Library of the Faculty of Management and Economics of Services of the University of Szczecin

5

CEON Library of Science

• University of Warsaw, Interdisciplinary Centre for Mathematical and Computational Modelling

6

Google Scholar

• Google

7

World Catalogue of Scientific Journals

• Scientific Publishing House DARWIN

8

Polish Citation Basis POL-index

• Centre for Information Processing (OPI)

9

Index Copernicus Journals Master List

• Index Copernicus International

10

• Academic Keys, LLC

• ExLibris Content Operations

• Infrastructure Services for Open Access C.I.C.

• Norwegian Centre for Research Data

• International Network Center for Fundamental and Applied Research

• Central and Eastern European Online Library GmbH

• BazTech Consortium

• Citefactor Academic Scientific Journals