Day, Richard H. (Richard Hollis), 1933 <br/><br/>
Economic development as an adaptive process :  a green revolution case study / 
by Richard H. Day and Inderjit Singh 
 - Cambridge :  Cambridge University Press,  1976 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>052121114X 
<br/><br/><label>LCCN: </label>76-9173 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture--Economic aspects--Matematical models--India /z Punjab (Stated)<br/>Economic development--Mathematical models