TY  - BOOK
AU  - Dobrowolska
TI  - Flexible Forms of Employment in View of Unemployment Problems in Middle Age 
SN  - 9788323384953
PB  - Jagiellonian University Press
KW  -  Philosophy
UR  - https://www.cambridge.org/core/product/identifier/9788323384953/type/BOOK
ER  -