TY  - BOOK
AU  - Rachna
AU  - University Of Delhi. Deptt Of Economics
ED  - University Of Delhi. Deptt Of Economics
TI  - Productivity growth in petrochemicals
U1  - "X9(F555).2.N9, N0" 
PY  - 1990///
CY  - Delhi
PB  - Univerisyt Of Delhi India    
KW  - Petroleum Industry
ER  -