Proceedings of the University of Ruse

ISSN 1311-3321 (print)

ISSN 2535-1028 (CD-ROM)

ISSN 2603-4123 (on-line)

The issue “Proceedings of the University of Ruse“ was included in the international ISSN database, available at https://portal.issn.org/.
The online edition of “Proceedings of the University of Ruse“ is registered in the portal ROAD scientific resources online open access.