Biological Control : A Sustainable Solution to Crop Pest Problems in Africa 

 - Ibadan - Nigeria :   International Institute of Tropical Agriculture,   1989 
 - 210 p. 
<br/><br/> texto en ingles 
<br/><br/><label>ISBN: </label>9781310391 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CONTROL BIOLOGICO
<br/><br/><label>Dewey Class. No.: </label>632.96 B615