AUTHOR
International Rice Research Institute
Asian Association of Agricultural Colleges and Universities (AAACU)
1
Commission on Science and Technology in Developing Countries (COSTED)
1
International Symposium on Hybrid Rice (1986 : Changsha, China)
1
International Symposium on Rice Farming Systems : New Directions (1987 : Sakha, Egypt)
1
Penning de Vries, F.W.T
1
Symposium in Education for Agriculture (1984 : Manila, Philippines)
1