Watson, Derek.
COBOL for mainframe and micro / by Derek Watson. - Bromley, Kent : Chartwell-Bratt, 1985. - 177 p. - A Chartwell-Bratt student text. .
9144235119
55051786
COBOL (Computer program language).
Microcomputers--Programming.
COBOL for mainframe and micro / by Derek Watson. - Bromley, Kent : Chartwell-Bratt, 1985. - 177 p. - A Chartwell-Bratt student text. .
9144235119
55051786
COBOL (Computer program language).
Microcomputers--Programming.