00570ntaaa2200205 4500 01 20251027202731.0 0714s1973 ag 01 AR-BaBN spa AR-BaBN aacr RIC 651.0000 L52 Leffingwell, William H 27248 Textbook of office management 3 ed. New York : McGraw-Hill Book Company, c1950 xiv, 649 p administración oficina 27249 oficina-administración 27250 Robinson, Edwin M 27251 BK 22570 22570 0 0 0 0 BP BP 2025-10-27 11610 0 651.0000 L52 11610 2025-10-27 20:27:31 2025-10-27 BK