Ojala, E.M. <br/><br/>
Agriculture and  economic progress /  
E.M. Ojala. 
 - Oxford :    Oxford University Press,    1952. 
 - p. ;    26 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Agriculture.<br/> Economic development.
<br/><br/><label>Dewey Class. No.: </label>630