Parkin, Andrew.
COBOL workbook : a self-study introduction to the COBOL programming language / Andrew Parkin. - London : Edward Arnold, 1981. - 76 p. : ill. ; 25 cm.
0713134380
COBOL (Computer program language).
COBOL workbook : a self-study introduction to the COBOL programming language / Andrew Parkin. - London : Edward Arnold, 1981. - 76 p. : ill. ; 25 cm.
0713134380
COBOL (Computer program language).