Welburn, Tyler.
Structured cobol : fundamentals and style. - New York : McGraw Hill, 1995. - 4th edition. 670p., index. ; cm.
0071135448
COBOL.
QA76.73.C25W438
Structured cobol : fundamentals and style. - New York : McGraw Hill, 1995. - 4th edition. 670p., index. ; cm.
0071135448
COBOL.
QA76.73.C25W438