Golczyńska-Grondas A. Social innovators in coping with social problems – PPR, systemic transformation, and new Poland. In: Kaźmierska K, Waniek K, eds. Telling the Great Change: The Process of the Systemic Transformation in Poland in Biographical Perspective. Lodz University Press; 2020:143-169. doi:10.18778/8142-455-4.08