Greathead, David John; <br/><br/>
Opportunities for biological control of agricultural pests in developing countries; 

 - Washington, D.C:  World Bank,  1983. 
 - v, 44 p.  ill. 
<br/><br/><label>ISBN: </label>0821301640 
<br/><br/><label>Dewey Class. No.: </label>632.96  / GRE.M3