1994 - Structured Programming in Dbase IV Version 20 [Management Information Systems] (Paperback) ISBN-13: 9780534238087 ISBN-10: 0534238084 Genre: Computers & Technology ? Structured Programming in Dbase IV/book and Disk [Wadsworth Series in Computer Information Systems] (Paperback) ISBN-13: 9780534144005 ISBN-10: 0534144004 Genre: Science & Math ? |