Stern N., Stern R., Ley J. COBOL for the 21st Century

11th edition. — Wiley, 2005. — 832 p. — ISBN-10 9780471722618; ISBN-13 978-0471722618.Now in its 11th Edition, Nancy Stern, Robert Stern, and James Ley's COBOL for the 21st Century continues to show how to design COBOL programs that are easy to read, debug, modify, and maintain. You'll learn to write interactive programs as well as batch programs with sophisticated file-processing techniques and become familiar with valuable information processing and systems concepts.