00457nam a2200145Ia 4500 20251229184619.0 251229s9999 xx 000 0 und d 013610956x HF 5548.2 .C34 Callahan, John. J. Needed Professional management in Data processing. John. J Callahan New Jerseys Prentice-Hall inc Electronic Data Processing Departments-Management BK 528916 528916 0 0 0 0 FASS FASS GEN 2025-12-29 0 HF 5548 2 C34 EU069713 2025-12-29 18:46:19 2025-12-29 BK