WYGNAŃSKA, Joanna. From PPR to systemic transformation. W: KAŹMIERSKA, Kaja; WANIEK, Katarzyna (red.). Telling the Great Change: The Process of the Systemic Transformation in Poland in Biographical Perspective. Poland: Wydawnictwo Uniwersytetu Łódzkiego,2020. p. 103–113. DOI: 10.18778/8142-455-4.06. Disponível em: https://www.press.uni.lodz.pl/index.php/wul/catalog/book/970/chapter/2589. Acesso em: 14 luty. 2026.