Essentials of COBOL programming / Roger R. McGrath, Jr., Ralph M. Stair, Jr. Essentials of C.O.B.O.L. programming. McGrath, Roger R. Stair, Ralph M. COBOL (Computer program language) QA76.73.C25 M43 1984 001.6424 19 MCE Includes index. Homewood, Ill. : R.D. Irwin, 1984. 1984. 1984 Text xi, 83 p. : eng The Irwin series in information and decision sciences