Zysk i S-ka is the publisher in Poland founded in 1994 by Tadeusz Zysk.
According to PR-model, zysk.com.pl is ranked 160,088th in multilingual Wikipedia, in particular this website is ranked 3,646th in Polish Wikipedia.
The website is placed before nmrcnoida.com and after waddensea-secretariat.org in the BestRef global ranking of the most important sources of Wikipedia.