Structured Cobol 47/ fundamentals and style
Welburn, Tyler.
Structured Cobol 47/ fundamentals and style 85 - 3rd ed. - New York : Mitchell McGraw-Hill c1990 - xx, 687 p. : ill. ; 28 cm.
0070691665
Cobol 74/85 (Computer program language)
Structured Cobol 47/ fundamentals and style 85 - 3rd ed. - New York : Mitchell McGraw-Hill c1990 - xx, 687 p. : ill. ; 28 cm.
0070691665
Cobol 74/85 (Computer program language)