Singh, R. S. <br/><br/>
Research  Methods  and  Statistical  Techniques 

 - 1st /   2013. 
 - Delhi:  Anmol  Publications  Private  Limited,  2013. 
 - 352p. 
<br/><br/><label>Subjects--Personal Names: </label><br/>  Chemistry, Research  Methodology. 
<br/><br/><label>Dewey Class. No.: </label>001.42