Purohit, H.C. <br/><br/>
Research Methodology: Tools & Techniques. 

 - New Delhi  Shree Pub. & Dis.  2009 
 - 351 p. 
<br/><br/><label>ISBN: </label>978-81-8329-361-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics
<br/><br/><label>Dewey Class. No.: </label>307.2