DUBAS, Elżbieta; MUSZYŃSKI, Marcin (EDS.). Introduction. In: Old Age in the Stream of Life: Reflections on Old Age. Volume 2. Poland: Lodz University Press,2019. p. 9–10. DOI: 10.18778/8142-303-8.01. Disponível em: https://press.uni.lodz.pl/index.php/wul/catalog/book/879/chapter/2215. Acesso em: 29 jan. 2026.