Velayudhan, P.S. <br/><br/>
Pre-Degree Social Studies 
/ by P.S. Velayudhan 
 - Madras :  S. Viswanathan,  1971 
 - VI, 208 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social Sciences 
<br/><br/><label>Dewey Class. No.: </label>300  / VEL-P