Engel, Arthur <br/><br/>
Problem-solving strategies 

 - Halmos, P R 
 - New Delhi  Springer  2015 
 - 403 
<br/><br/><label>ISBN: </label>9788181280152 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MATHEMATICS
<br/><br/><label>Dewey Class. No.: </label>510 ENG/PRO