00491namua2200157 a 4500 00000000000008206 070429s1975 us 000 eng 681.518 V-84 Voich Dan, and others Information systems for operations and management Voich Dan, and others U.S.A. South-Western College Publishing, 1975 520 p. n/10796 Прикладная экономика. 20260805124009.0 7423 7423 0 0 0 0 UWED UWED ANT 2017-11-08 0 681.518 V-84 000000055799 2026-08-05 12:40:09 2026-08-05 BK