Research observer 

 - Washinagton  The World Bank  1986 
 - 112p.  25cm 
 -  1 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education, research, related topics<br/>Agriculture and related technologies
<br/><br/><label>Dewey Class. No.: </label>630.7  / RES