Chandra, Suresh . <br/><br/>
Research methodology :  probability and sampling . 
Suresh Chandra.  
 - Delhi :  Writers World,  2018. 
 - 232p. : 
<br/><br/><label>ISBN: </label>9788194216919 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research methodology.
<br/><br/><label>Dewey Class. No.: </label>001.42  / CHA/R