Skem, Richard R  1986 <br/><br/>
The psychology of learning mathematics/ 
Richard R Skem. 
 - 2nd ed. 
 - London:  Penguin Book,  1986. 
 - 295p.  ill., tables and charts;  20 cm. 
<br/><br/>include index. 
<br/><br/><label>ISBN: </label>0140136193 9780140136197 
<br/><br/><label>LC Class. No.: </label>BF456.N7  / .Sk2 1986