Osborn, Alex <br/><br/>
Applied imagination; principles and procedures of creative problem-solving 

 - 3a. ed. 
 - New York :   Scribner,  c1963  
<br/><br/><label>Standard No.: </label>4540 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PSICOLOGIA
<br/><br/><label>Universal Decimal Class. No.: </label>159.9