Problems of humid tropical regions / 
Unesco 
 - Paris  United nations educational scientific and cultural organization  1958 
 - 102 pages 
<br/><br/><br/>In English 
<br/><br/> Pbk 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture -- Tropics.
<br/><br/><label>Dewey Class. No.: </label>574.9 PRO 1958