Proceedings of the 1987 international deepwater rice workshop
IRRI, Manila
Proceedings of the 1987 international deepwater rice workshop Proceedings of the 1987 international deepwater rice workshop IRRI, Manila; - Manila IRRI 1988
Proceedings of the 1987 international deepwater rice workshop Proceedings of the 1987 international deepwater rice workshop IRRI, Manila; - Manila IRRI 1988