00630nam a2200169Ia 4500 CTU_35028 210402s9999 xx 000 0 und d 620.00420285 L600 Nguyễn Hoàng Thanh Ly Từ điển các lệnh và Biến hệ thống cho người dùng AutoCAD R12, R13, R14 Nguyễn Hoàng Thanh Ly, Nguyễn Văn Hai, Võ Ngọc Phương Tp. HCM Thống Kê 1999 cad ( computer system ),computer-aided design Trung tâm Học liệu Trường Đại học Cần Thơ