Sarkar, Tarun.  <br/><br/>
Research methodology :   tools and techniques /  
Tarun Sarkar.  
 - New Delhi :   Omega Publications,   c2015. 
 - 248 p.:  ill.;   21 cm.  
<br/><br/><label>ISBN: </label>9788184555745 
<br/><br/><label>Subjects--Index Terms: </label>Education.  Research preocess.  Sampling.  
<br/><br/><label>Dewey Class. No.: </label>300.723  / SAR