Kool, Rudolph. <br/><br/>
Tropical agriculture and economic development. 

 - Wageningen :  H. Veenman,  c1960. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>LCCN: </label>61039390 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture -- Economic aspects -- Tropics.--Agriculture -- Economic aspects -- Tropics.--Agriculture -- Economic aspects -- Tropics.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Developing countries.