Lalithamma, K N <br/><br/>
some factors affecting achievements of secondary school pupil in matthematics / 
by K N Lalithamma 
 - Thiruvananthapuram :  University of kerala,  1973. 
 - 361p. : 
 - University of kerala, education PhD thesis, 1973 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Maths