TY  - BOOK
AU  - Dara, S. S.
AU  - Umare, S. S. 
TI  - A Textbook of engineering chemistry 
SN  - 9788121903592
U1  - 540 
PY  - 2021/// (2022 reprint)
CY  - New Delhi
PB  - S Chand 
KW  - Chemistry, Technical
ER  -