DeVore, Russell <br/><br/>
Practical problems in mathematics for heating and cooling technicians / 
Russell DeVore 
 - 5th ed. 
 - Clifton Park, NY :  Delmar Cengage Learning,  c2009 
 - xiv, 302 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>9781428324282 1428324283 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Heating--Mathematics<br/>Air conditioning--Mathematics<br/>Heating--Problems, exercises, etc.--Problems, exercises, etc.<br/>Air conditioning--Problems, exercises, etc.