TY  - BOOK
AU  - Graaff,J.DeV  .
TI  - Theoritical welfare economics / 
SN  - 070690852x
U1  - 330.16 
PY  - 1975///
CY  - New Delhi : 
PB  - Vikas Publishing House , 
KW  - WELFARE ECONOMICS
N1  - Includes bibliography and index
ER  -