  1991 - Systems Design in the Fourth Generation (Paperback) ISBN-13: 9780471533962 ISBN-10: 0471533963 Genre: Computers & Technology ?  1991 - Systems Design in the Fourth Generation Objectbased Development Using Dbase [Wiley Series in Computing and Information Processing] (Paperback) ISBN-13: 9780471527527 ISBN-10: 0471527521 Genre: Computers & Technology ? |
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