Նորմալ դիտում MARC դիտում ISBD Դիտում

Varsegi, Alex.

Fourth generation business systems / by Alex Varsegi. - New York, N.Y. : John Wiley & Sons, 1989. - xiii, 332 p.

Includes index.

ISBN: 047161548X

Subjects--Topical Terms:
Business--Data processing.
Fourth generation computers.
Expert systems (Computer science).
System design.