Tape and disk files
Subtitle: Cobol book 3
By: Ruth Ashley, Judi Fernandez.
Contributors: Fernandez, Judi N., 1941-
Series: Data processing training series
Publisher: Wiley; John Wiley & Sons
Published: 1984
Place of publication: New York
Language: eng
Number of pages: 267
Subjects: File organization (Computer science); COBOL (Computer program language); Data tapes.; Data disk drives.
Notes: Includes index.