1989 - The Essentials of Cobol I [Essentials] (Paperback) ISBN-13: 9780878916795 ISBN-10: 0878916792 Genres: Business & Money, Computers & Technology, Reference 1 The Essentials of Cobol II [Essentials] (Paperback) ISBN-13: 9780878916801 ISBN-10: 0878916806 Genres: Computers & Technology, Reference ? A Guide to Programming Languages Overview and Comparison [The Artech House Computer Science Library] (Hardcover) ISBN-13: 9780890068120 ISBN-10: 0890068127 Genres: Computers & Technology, Reference, Science & Math ? |