Proceedings of the workshop on Rice-based cropping systems research and development :
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.
Cropping System.
Cropping Research.
633.18 / BAP 1981
Cropping System.
Cropping Research.
633.18 / BAP 1981