Lewis, A.B. <br/><br/>
Essential steps in national agricultural improvement / 
A.B. Lewis 
 - Washington :      FAO,  1950     
 - 16p. :  30 cm. 
<br/><br/>Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economic development<br/>Agriculture
<br/><br/><label>Dewey Class. No.: </label>338.8902  / FAO-3