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

 - Washington :  World Bank,  1983. 
<br/><br/> World Bank Technical Paper No. 11. 
<br/><br/> Gives biological methods for pest control and emphasizes the method of introduction because of its many successes and great economies it may offer relative to other methods. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pest Control.<br/>Pests of plants -- Developing countries.--Pests of plants -- Developing countries.