SStructured Cobol Programming with Syntax Guide and Student PStructured Cobol Programming with Syntax Guide and Student Program, Data Disk and Micro Focus Personal Cobol for Windows and Getting Started with Microfocus Cobol for WindowsEdición de la obra Structured Cobol Programming with Syntax Guide and Student Program, Data Disk and Micro Focus Personal Cobol for Windows and Getting Started with Microfocus Cobol for WindowsAutorNancy Stern, Robert A. Stern, Crawford, John, E. Reed Doke