00668nam a2200217Ia 4500 CTU_55612 210402s9999 xx 000 0 und d 25000 632.95 D513 Trần Quang Hùng Thuốc bảo vệ thực vật Trần Quang Hùng Hà nội Nông Nghiệp 1999 Hóa bảo vệ thực vật B NN143 agricultural chemicals,pesticides,insecticides,herbicides application,application,application Trung tâm Học liệu Trường Đại học Cần Thơ