The role of agriculture in society  : paper presented at the fourth International Farm Management Congress, London, 1980 

 - London :  CAB,  1981 
 - 256 p. 
<br/><br/><label>LCCN: </label>25031 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultura--Trabajadores.<br/>Maquinaria agrícola.<br/>Mecanización agrícola.
<br/><br/><label>Dewey Class. No.: </label>631.3  / C62