Valett, Robert E. <br/><br/>
Developing cognitive abilities :  teaching children to think / 
Robert E. Valett 
 - St. Louis, Mo. :  C. V. Mosby,  1978 
 - xi, 271 p. :  ill. ;  25 cm. 
<br/><br/>Bibliography : p. 259-265 
<br/><br/><label>ISBN: </label>0801652138 
<br/><br/><label>LCCN: </label>77-009912 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reasoning (Child psychology)<br/>Learning disabilities