Tape and disk files : Cobol book 3 /

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Bibliographic Details
Main Author: Ashley, Ruth
Other Authors: Fernandez, Judi N., 1941-
Format: Book
Language:English
Published: New York : Wiley, c1984.
Series:Data processing training series
Subjects:
Description
Item Description:Includes index.
Physical Description:x, 267 p. : ill. ; 29 cm.
ISBN:0471871842 (soft) :