00761nam a2200193Ia 4500 CTU_29261 210402s9999 xx 000 0 und d 330 S487/N48v FAO FAO economic and social development series N.48v FAO tuyển tập: Phát triển kinh tế và xã hội số 48; 1989-90: Đào tạo nông nghiệp và phát triển nông thôn,Training for agriculture and rural development 1989 - 1990 FAO Rome FAO 199 economics,extension activities,rural development,training manuals Nguyễn Quang Điền, 990316 Trung tâm Học liệu Trường Đại học Cần Thơ