Dwivedi, R.S. <br/><br/>
Research methods in behavioural sciences 

 - Delhi  Macmillan  1997 
 - viii,  256p. 
<br/><br/><label>Subjects--Index Terms: </label>Research design  Sampling 
<br/><br/><label>Dewey Class. No.: </label>001.42  / DWI