Subburaj, V.V.K. <br/><br/>
TNPSC - (Assistant Statistical Investigator) / 
V.V.K. Subburaj 
 - Chennai :  Sura college of competition ,  2023 
 - 980 pages 
<br/><br/><label>ISBN: </label>9789395692205 
<br/><br/><label>Dewey Class. No.: </label>351.5482076  / SUB