00532nam a2200181Ia 4500 CTU_6219 210402s9999 xx 000 0 und d 380.10212 H513 Lê Ngọc Lâm Sổ tay công tác thống kê thương nghiệp Lê Ngọc Lâm Hà Nội Thống kê 1983 commerce Nguyễn Quang Điền, 960814 Trung tâm Học liệu Trường Đại học Cần Thơ