TY  - BOOK
AU  -  Kalsi, P. S
TI  - Organic Reactionsns and Their Mechanisms /  P.S. Kalsi 
SN  - 9789389802085
U1  - 547.21 
CY  - New Delhi: New Age International , 2021.
KW  - CHEMISTRY-RUSA 3.0
ER  -