Drews, Andreas. <br/><br/>
Information sources on substainable agriculture in the Third World. 

 - Eschborn :  GTZ/GATE,  1985. 
<br/><br/> This paper discusses information sources on sustainable agriculture in the Third World. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture.<br/>Information sources -- Developing countries.--Information sources -- Developing countries.