PES is covered by the following services:

Google Scholar
DOAJ (Directory of open access journals)
ROAD (Directory of open access schoolary resources)
Index Copernicus
Information Matrix for the Analysis of Journals (ICDS = 3.0)
Repository of National Serbian Library
Libris - National Library of Sweeden
ResearchBib
COBISS+ (print)
COBISS+ (e)
SJIFactor
EuroPub Database
CiteFactor
Publons
Open Academic Journals Index
WorldCat
juLib eXtended
Elektronische Zeitschriftenbibliothek

Journal uses digital archiving policy defined by repositorium of National Serbian library