Herdt Robert W 1939 <br/><br/>
Adoption Spread And Production Impact Of Modern Rice Varieties In Asia R W Herdt And C Capule 

 -  Los Ba盲nos Laguna Philippines : International Rice Research Institute 1983. 
 - 54 
 - Southern African Green Guide Pooley  Elsa. Southern African Green Guide. .
<br/><br/><br/>Eng 
<br/><br/><label>ISBN: </label>9711040832 (Pbk.)