Publishing with this journal
There are no publication fees (article processing charges or APCs) to publish with this journal. other charges
The author retains unrestricted copyrights and publishing rights.
→ Learn more about their copyright policy.
Articles digitally archived in:
- Internet Archive
→ Find out about their archiving policy.
Deposit policy with:
- Konstantin Preslavsky University of Shumen, Bulgaria
- Society or institution
- Konstantin Preslavsky University of Shumen, BG
- Manuscripts accepted in