TY  - BOOK
AU  - Chowdhury, P.N.
TI  - Economics of research and development
U1  - 33:5.001.5/.6 L7 
PY  - 1973///
CY  - New Delhi
PB  - People' s Publishing House
KW  - P.N. Chowdhury
KW  - Research-economic aspects
ER  -