Air conditioning and refrigeration technology 
3G E-learning. 
 - Second edition. 
 -  3G E-learning LLC.  2019 
 - xi, 339 pages 
<br/><br/>
<br/><br/><label>ISBN: </label>978-1-984634-44-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air conditioning.
<br/><br/><label>Dewey Class. No.: </label>621 A2981 2019