Obeng, Letitia E. <br/><br/>
The right to health in tropical agriculture /  
Letitia E. Obeng. 
 - Ibadan :    International Institute of Tropical Agriculture,    1991 . 
 - 24 p. ;    23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Agriculture -- Tropics.<br/> Tropical crops.
<br/><br/><label>Dewey Class. No.: </label>630