Manju, Sankar K <br/><br/>
Effectiveness of concept of maps for learning selected to in social science at secondary level / 
by Manju Sankar K 
 -  University of kerala,  2008. 
 - 137p. : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education
<br/><br/><label>Dewey Class. No.: </label>370  / MAN.E