Article Processing Charge (APC): 2500 PLN + 23% VAT or 600 EUR.

Submissions should have up to 25,000 characters, excluding the abstract and reference list, with a clearly defined structure (Abstract, Introduction, Chapters, Sub-chapters, Conclusions). Please strictly observe the number of characters. Each additional 1,000 characters of the text are charged (50 PLN + 23% VAT or 10 EUR).

The fee is charged after accepting the paper for publication.