Ramos, M.M.  <br/><br/>
International bibliography on cropping systems 1976  (Book) 

 - Los Ba?os, Philippines  Library and Documentation Center, International Rice Research Institute  1978 
 - 181 p.  28 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cropping systems--Bibliography
<br/><br/><label>Universal Decimal Class. No.: </label>63:016 RAM  / 5466