Ratnahar, Pramesh <br/><br/>
Ideas and opinions 
Pramesh Ratnahar 
 - Delhi  Oxford  1989 
 - 153 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Concepts and concept formation-Ideas
<br/><br/><label>Dewey Class. No.: </label>153.23  / RAT M9