International workshop on socioeconomic constraints to development of semi-arid tropical agriculture 
/ International Crops Research Institiute for the Semi-Arid Tropics 
 - Andhra Pradesh:    International Crops Research Institiute for the Semi-Arid Tropics,   1980 
 - x, 435p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Subjects--Index Terms: </label>Farning Food grain 
<br/><br/><label>Universal Decimal Class. No.: </label>631.58  / M0