Herdt Robert W <br/><br/>
Adoption, spread, and production impact of modern rice varieties in Asia 

 - Los Ban4os, Laguna, Philippi  International Rice Research I  nstitute,  1983 
 - 54 p. 
<br/><br/><label>ISBN: </label>9711040832 
<br/><br/><label>Dewey Class. No.: </label>633.185