Observation methods <br/><br/>
Observation methods: vol. 004 

 - 1st 
 - New Dehli  Sage Publication  2013 
 - vi , 355 p. 
<br/><br/><label>ISBN: </label>9781446208113 
<br/><br/><label>Subjects--Index Terms: </label>Social sciences--Research--Methodology 
<br/><br/><label>LC Class. No.: </label>SZb4  P3.4