TY - GEN PB - George G. Harrap & Co. Ltd CY - London L2 - http://bc.gbpizs.gov.pl/Content/1365 PY - 1943 KW - bezrobocie KW - historia pracy T1 - The problem of unemployment UR - http://bc.gbpizs.gov.pl/dlibra/publication/edition/1365 ER -