Jackson, K. F. <br/><br/>
The art of solving problems 
K. F. Jackson 
 - London:  Teach Yoursel Books,  1977. 
 - 244p 
<br/><br/><br/>eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Problems solving
<br/><br/><label>Dewey Class. No.: </label>658.403  / JAA