Periyakaruppan, Thamizhannal Rama <br/><br/>
Aayviyal arimugham. / 

 - 2nd ed. 
 - Eraga veliyeedu :  Madurai ,  1979. 
 - 288 p.  21cms 
<br/><br/><label>Subjects--Index Terms: </label>Research Methodology,generalia