TY  - BOOK
AU  - Chawla, Shashi
TI  - Textbook of engineering chemistry
SN  - 9788177002393
U1  - 540 CHA 
PY  - 2019///
CY  - New Delhi
PB  - Dhanpath Rai and Co. Pvt. Ltd.
KW  - Chemistry
ER  -