De, Dipak <br/><br/>
Techniques of theory building 

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 - Varanasi  Ganga Kaveri Publishing House  2000 
 - viii,130p.   
<br/><br/>   
<br/><br/><label>ISBN: </label>81-85694-31-1 
<br/><br/><label>ISSN: </label>
<br/><br/><label>Subjects--Index Terms: </label>Extension education  Theory construction - Science 
<br/><br/><label>Dewey Class. No.: </label>001.8