Sethi, G S  <br/><br/>
Question  bank series mechanic refrigeration and air conditioner 

 - 1st 
 - New Delhi  Computech Publication  2019 
 - V.P.49p. 
<br/><br/> 58657 
<br/><br/><label>ISBN: </label>9788173178900  223 
<br/><br/><label>Dewey Class. No.: </label>629.277 SET G