Brown, Stephen I. <br/><br/>
The art of problem posing/ 
Stephen I. Brown, Marion I. Walter. 
 - Philadelphia:  Franklin Institute Press,  c1983. 
 - 147 p.:  ill.;  23 cm. 
<br/><br/>Bibliography: p. 145-147. 
<br/><br/><label>ISBN: </label>0891680527 (pbk.) : 
<br/><br/><label>LCCN: </label>83005491 //r84 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Problem solving
<br/><br/><label>Dewey Class. No.: </label>510.7  / B879a