KHURMI R S/GUPTA, . (2010). A TEXTBOOK OF REFRIGERATION AND AIR CONDITIONING. DELHI: S. CHAND AND COMPANY LTD.
KHURMI R S/GUPTA, . 2010. A TEXTBOOK OF REFRIGERATION AND AIR CONDITIONING. DELHI: S. CHAND AND COMPANY LTD.
KHURMI R S/GUPTA, . A TEXTBOOK OF REFRIGERATION AND AIR CONDITIONING. DELHI: S. CHAND AND COMPANY LTD. 2010.