TY - BOOK ED - Open University. Centre for Continuing Education. Faculty of Mathematics. TI - An Introduction to commercial data processing using COBOL SN - 0335104509 PY - 1983/// CY - [Milton Keynes] PB - Open University KW - COBOL (Computer program language) KW - Business KW - Data processing N1 - Includes 9 booklets and 3 pamphlets ER -