Introduction to information processing

Manylion Llyfryddiaeth
Prif Awduron:	Hall, Alix-Marie, Muscat, Eugene J., Robichaud, Beryl
Fformat:	Llyfr
Iaith:	English
Cyhoeddwyd:	New York Gregg Division/McGraw-Hill c1989
Rhifyn:	4th ed.
Pynciau:	Business data processing. Electronic data processing.