Greathead,D.J Waage,J.K <br/><br/>
Opportunities for biological control of agricultural pests in developing countries / D.J.Greathead and J.K.Waage 

 - Washington  World Bank  1983 
 - v, 44p. 
 - World Bank technical paper .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture<br/>Pest control