TY  - BOOK
TI  - Productivity returns to scale and technological ch
T2  - University of Delhi, Economics (Deptt. of-), Dissertation. Dissertation, University of Delhi, Economics (Deptt of-
PY  - 1981///
CY  - Delhi
PB  - University of Delhi        
KW  -  ELECTRICITY
KW  - INDUSTRIAL ECONOMICS
ER  -