Proceedings of the workshop on Rice-based cropping systems research and development :  June 4-6,1980 / 

 - Dhaka :  Bangladesh Rice Research Institute,  1981. 
 - vii, 110p. ;  22 cm.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cropping System.<br/>Cropping Research.
<br/><br/><label>Dewey Class. No.: </label>633.18  / BAP 1981