People Wioletta Ratajczak-Wrona peoplepill id: wioletta-ratajczak-wronaWR 1 views today 1 views this weekWioletta Ratajczak-WronaBiographyListsAlso ViewedListsWioletta Ratajczak-Wrona is in following listsBy field of workNotable people in academiaBy work and/or countryNotable LecturersFrom our partnersSponsoredWioletta Ratajczak-Wrona