Bandyopadhyay, Nandita . <br/><br/>
Definition of valid knowledge /  
by Nandita Bandyopadhyay. 
 - Kolkata :   Sanskrit Pustak Bhandar ,   1989. 
 - ix,61p. :   ills ;   22cm. .  
<br/><br/>NULL 
<br/><br/><label>ISBN: </label> NULL (Pbk) 
<br/><br/><label>Subjects--Index Terms: </label>THEORY OF KNOWLEDGE 
<br/><br/><label>Dewey Class. No.: </label>121  / BAN/D