00622nam a2200181Ia 4500 CTU_52117 210402s9999 xx 000 0 und d 65000 808.6 T639 Robert New complete book of modern effective letters = Tuyển tập thư tín hiện đại hiệu quả nhất Robert, Alaine Tiet and Roy W. Poe; Nguyễn Văn Phước ... [et al.] biên dịch Tp. HCM Tp HCM 2001 letter-writing,letters Trung tâm Học liệu Trường Đại học Cần Thơ