Report of a workshop on cropping systems research in Asia / 
International Rice Research Institute 
 - Laguna :  International Rice Research Institute,  1982 
 - 756 p. ;  24 cm . 
<br/><br/>Includes references and index 
<br/><br/><label>ISBN: </label>971104076X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cropping systems--Asia