Seibel, Friedrich W. “Pedagogika społeczna Meets Community Education: Ewa Marynowicz-Hetka and ECCE”. In Pedagogika społeczna: Spotkania, Trwanie I zmienność, Pogranicza, edited by Anna Walczak, Lucyna Telka, and Telka Granosik, 59–66. The Conference on Social Pedagogy under the Patronage of the Committee on Pedagogical Sciences of the Polish Academy of Sciences. Poland: Lodz University Press, 2020. Accessed January 22, 2026. https://www.press.uni.lodz.pl/index.php/wul/catalog/book/333/chapter/885.