DeVore, Russell. <br/><br/>
Practical Problem in Mathematics for Heating and Cooling Technicians  (Instructor Guide) 

 - Albany, N.Y. :  Delmar,  1981. 
<br/><br/><label>ISBN: </label>ISBN000508 
<br/><br/><label>Dewey Class. No.: </label>697 DEV 1981