00674nam a2200193Ia 4500 CTU_44239 210402s9999 xx 000 0 und d 333.91072 J36/N8/1999 JIRCAS JIRCAS International Symposium Series; N.8 GIS applications for Agro-Environmental issues in development rigions,Proceedings of the 6th JIRCAS international symposium, Tsukuba, 7-8 September 1999 JIRCAS Tokyo JIRCAS 1999 agricutural ecology,land use Nguyễn Quang Điền, 010911 Trung tâm Học liệu Trường Đại học Cần Thơ