TY  - BOOK
AU  - Williams Walter
TI  - Social policy research and analysis :  The experien   
T2  - Policy science book series
SN  - 0444001131
U1  - Sigma b4.73.N7, L1 
PY  - 1971///
CY  - New York
PB  - Americna Elsevier USA       
KW  - Social Science
N1  - Bibliography at the end of each chapter
ER  -