VOPEL (Klaus W) <br/><br/>
Programming life problem solving co operation 

 - New Delhi  DBYA  2000 
 -  4 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communities<br/>Sociology
<br/><br/><label>Dewey Class. No.: </label>307.14 VOPG