00602nam a2200181Ia 4500 CTU_13039 210402s9999 xx 000 0 und d 632.95 Tr561 Lê Trường Sổ tay dùng thuốc hóa học bảo vệ cây trồng: Thuốc trừ sâu, bệnh, chuột, cỏ dại Lê Trường Hà Nội Nông nghiệp 1978 pesticides,plants, protection of Minh, 961122 Trung tâm Học liệu Trường Đại học Cần Thơ