Burton, Leone <br/><br/>
Thinking things through:  problem solving in mathematics/ 
Leone Burton 
 - Oxford  Basil Blackwell  1984 
 - 138p.:  ill.  24cm 
<br/><br/>Includes bibliographical references 
<br/><br/><label>ISBN: </label>1898255067 
<br/><br/><label>LC Class. No.: </label>QA63  / .B94 1984