Siegler Robert S <br/><br/>
Children's thinking 

 - 2 
 - New Jeresy, USA  Prentice Hall  1991 
 - xvi, 429p. 
<br/><br/><br/>Photocopy and gifted by H.O.D. Namita Ranganathan in memory of Prof. Arvind Gaysu 
<br/><br/><label>ISBN: </label>0-13-139981-0 
<br/><br/><label>Source: </label>TextBook