MECHANISATION and employment in agriculture: case studies from four continents  / 

 - Geneva  International labour office  1973 
 - vi, 192 p. 
<br/><br/><label>ISBN: </label>9221010090 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture<br/>Agricultural engineering<br/>Agricultural extension work
<br/><br/><label>Dewey Class. No.: </label>630  / MEC