TY  - BOOK
AU  - Khurmi R.S. & Gupta J.K.
TI  - A Textbook of Refrigeration and Airconditioning                                                      
SN  - 9788121927819
U1  - 621.56 
PY  - 2023///
PB  - S. Chand Publishing
KW  - Psychology
ER  -