TY  - BOOK
AU  - Lewin, Arie Y 
AU  - Shakun, Melvin F (Ed.) 
TI  - Policy Sciences: :  Methodologies and cases 
SN  - 0080196012
PY  - 1976///
CY  - Paris: 
PB  - Pergamon Press Inc.,  
KW  - Agriculture
KW  - Normative
KW  - Methodology
ER  -