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Jacek Rostowski Jacek Krzynówek Jacek Dehnel Jacek Soliński Jacek Żakowski Jacek Yerka Jacek Góralski Jacek Izydorczyk Jacek Lech Komuda Jacek BazańskiTài liệu tham khảo
WikiPedia: Jacek_Yerka http://www.yerkaland.com/ http://www.worldfantasy.org/awards/awardslist.html... https://abduzeedo.com/inspiration-jacek-yerka https://web.archive.org/web/20070513110945/http://... https://web.archive.org/web/20101201074405/http://...