00869nam a2200217Ia 4500 CTU_34362 210402s9999 xx 000 0 und d 630.715 B212 Ban, A W. van den Khuyến nông A W. van den Ban và H S Hawkins ; Nguyễn Văn Linh biên dịch Hà Nội Nông Nghiệp 1999 Sách cung cấp kiến thức về công tác khuyến nông: về nhận thức, về quan diểm, về lý luận, về tổ chức - chỉ đạo thực hiện và sự hỗ trợ của các ngành các cấp Khuyến nông NN326 Agriculture extension work Minh Trung tâm Học liệu Trường Đại học Cần Thơ