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Dear Customer!

Order an annual subscription in the PLUS version and get access to archived publications.

Do not hesitate – access thousands of publications at the highest substantive level.

The subscription rates of the journal with effect from 1st January 2021 are:
– annual subscription PLUS (paper version and access to e-publication archive): 558,00 PLN
– annual subscription – paper version only: 402,00 PLN
– annual subscription – electronic version only: 372,00 PLN



If you have any questions, please e-mail the Editorial Board directly at: problemyjakosci@sigma-not.pl