Thattil, R. O  <br/><br/>
Handbook on survey design and analysis 

 - Peradeniya  Postgraduate Institute of Agriculture University of Peradeniya  1999 
 - [iii],146p.  25cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research<br/>Knowledge
<br/><br/><label>Dewey Class. No.: </label>001.4  / HAN