U.N. <br/><br/>
A selection of readings: a study of the social and economic implications of the large scale introduction of high-yielding varieties of food grain. 

 - Geneva :  United Nations Reaserch Institute for Social Development,  1971. 
<br/><br/> Report No. 71.6. 
<br/><br/> It is a selection of readings on the social and economic implications of the large-scale introduction of high yielding varieties of food grain. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cereals.<br/>Food -- Crops -- Food production -- Grains.--Food -- Crops -- Food production -- Grains.--Food -- Crops -- Food production -- Grains.--Food -- Crops -- Food production -- Grains.