Das, Ramaprasad <br/><br/>
যুক্তিবৈজ্ঞানিক পদ্ধতি  
Ramaprasad Das 
 - Kolkata  University of Calcutta 
 - 365p. 
<br/><br/><label>ISBN: </label> Rs.160 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic<br/>Philosophy
<br/><br/><label>Dewey Class. No.: </label>160  / DAS