Mukul Jana, Mrs. <br/><br/>
Designing instrument of cognition to develop preoperational thought in early childhood. 
Mrs.Mukul Jana and Dr. Jijaykrishna Jana 
 - New Delhi:  Rajat publications,  2009. 
 - ix,161p. 
<br/><br/><label>ISBN: </label>9788178804101 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cognitive psychology<br/>Early childhood education
<br/><br/><label>Dewey Class. No.: </label>372.21  / MUD