TY  - BOOK
AU  - DEEPAK LAL
TI  - Wells and welfare :  An exploratory cost beneft stu   
T2  - Organisation For Economic Cooperation And Development , Development Centre Studies,
U1  - X9(D2)-65291.235.N7, L2 
PY  - 1972///
CY  - Paris
PB  - Organisation for Economic Cooperation and Development     
KW  - Engneering
ER  -