Andhra University <br/><br/>
Abstracts of the theses. 
Andhra University 
 - Waltair  Andhra University Press       1972 
 - 405p  cm. 
<br/><br/><label>Standard No.: </label>112088 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Dewey Class. No.: </label>a494,1216,N72<-N38, L2    RR