Oficyna Wydawnicza Volumen is the publisher in Poland founded in 1989.
According to PR-model, owvolumen.pl is ranked 1,019,858th in multilingual Wikipedia, in particular this website is ranked 34,293rd in Polish Wikipedia.
The website is placed before torinosud.it and after gronau-leine.de in the BestRef global ranking of the most important sources of Wikipedia.