TY  - BOOK
AU  - Nagel, Stuart S..
TI  - Improving Policy Analysis / 
SN  - 0-8039-1390-7
U1  - W:1:g 
PY  - 1990///
CY  - California-90212 : 
PB  - Sage Publications Inc. , 
KW  - Political Science
ER  -