SEMKÓW, Jerzy. Learning old age and learning in old age: an individual perspective. In: DUBAS, Elżbieta; MUSZYŃSKI, Marcin (eds.). Old Age in the Stream of Life: Reflections on Old Age. Volume 2. Poland: Lodz University Press,2019. p. 223–231. DOI: 10.18778/8142-303-8.15. Disponível em: https://www.press.uni.lodz.pl/index.php/wul/catalog/book/879/chapter/2229. Acesso em: 14 feb. 2026.