00605nam a2200205Ia 4500 CTU_128683 210402s9999 xx 000 0 und d 50000 651.75 H305 Hiền Mai Người thư ký hoàn hảo : 300 mẫu thư kinh doanh Hiền Mai và Hoàng Anh Tuấn Hà Nội Văn hóa Thông tin 2006 Commercial correspondence.,Office practice. Minh Trung tâm Học liệu Trường Đại học Cần Thơ