Symposium on Cropping Systems Research and Development for the Asian Rice Farmer / 
International Rice Research Institute 
 - Los Baños, Philippines :  International Rice Research Institute,   1977. 
 - 454 p. :  ill. ;  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rice<br/>Cropping systems
<br/><br/><label>Dewey Class. No.: </label>633.18  / SYM 1977