Implications of tractorisation for farm employment, productivity and income 

 - New Delhi  National Council of Applied Economic Research   1980 
 - 147p. 
<br/><br/> volume.1 
<br/><br/><label>Subjects--Index Terms: </label>tractorisation  farm employment  income  productivity 
<br/><br/><label>Dewey Class. No.: </label>631.312.4  / NCA