1990 - Cobol II Programming Techniques Efficiency Considerations Debugging Techniques [IBM McGraw-Hill Series] (Hardcover) ISBN-13: 9780070065338 ISBN-10: 0070065330 Genre: Computers & Technology ? Cobol/370 for Vs Cobol and Cobol II Programmers [J Ranade Ibm Series] (Hardcover) ISBN-13: 9780070065833 ISBN-10: 0070065837 Genre: Science & Math ? |