TY  - BOOK
AU  - Rao ,Alla Appa
TI  - Polytechnic Chemistry :theory and practice 
SN  - 9788122420784
U1  - 540 
PY  - 2007///
CY  - New Delhi
PB  - New Age Internatinal
KW  - Chemistry
KW  - Polytechnic
ER  -