SEN, sudhir. <br/><br/>
A richer harvest:  new horizon for developing / 
Sudhir Sen. 
 - New delhi:  Tata McGraw-hill co,  c1974. 
 - xxiii;573p.; 
<br/><br/> includes bibliography 
<br/><br/><label>Dewey Class. No.: </label>362.5