2005 - Cobol for the 21st Century (Paperback) → Paperback, Hardcover ISBN-13: 9780471722618 ISBN-10: 0471722618 Genres: Computers & Technology, Reference ? 2002 - Cobol for the 21st Century 10th Edition (Paperback) ISBN-13: 9780471073215 ISBN-10: 0471073210 Genre: Computers & Technology ? |