Day, Richard H. <br/><br/>
Economic development as an adaptive process  : the green revolution in the Indian Punjab / 

 - Cambridge:  Cambridge University Press,  1977 
 - x, 326p. Bibl. Index 
<br/><br/><label>ISBN: </label>052121114X 
<br/><br/><label>Dewey Class. No.: </label>338.10954552  / D274.ED