Internetowa encyklopedia PWN (Polish for Internet PWN Encyclopedia) is a free online Polish-language encyclopedia published by Wydawnictwo Naukowe PWN. It contains some 80,000 entries and 5,000 illustrations.[1]

References

  1. ^ Internetowa encyklopedia PWN (in Polish)


Allikas: https://en.wikipedia.org/wiki/Internetowa_encyklopedia_PWN
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