De, Dipak <br/><br/>
Techniques of theory building 
Dipak De, Mandava Srinivasa Rao. 
 - Varanasi  Ganga Kaveri Pub.  2000 
 - viii, 130p  22cm. 
<br/><br/><label>ISBN: </label>ISBN : 81-85694-31-1. 
<br/><br/><label>Dewey Class. No.: </label>121  / D28T