TY  - BOOK
AU  - Brown,Jeffrey R.
AU  - Liebman,Jeffrey B.
AU  - Wise,David A.
TI  - Social security policy in a changing environment
T2  - A National Bureau of Economic Research conference report
SN  - 9780226076485 (cloth : alk. paper)
PY  - 2009///
CY  - Chicago
PB  - University of Chicago Press
KW  - Sigurimet shoqërore
ER  -