@misc{Krzeczkowski_Konstanty_(1879–1939)_Uwagi_1936, author={Krzeczkowski, Konstanty (1879–1939)}, copyright={Public Domain}, address={Warszawa}, howpublished={online}, year={1936}, language={pol}, type={Text}, title={Uwagi nad drogami opieki społecznej}, URL={http://rcin.org.pl/ifis/Content/87062/PDF/WA004_20702_U6777_Krzeczkowski-Uwagi.pdf}, }