COBOL No. II : Programming Techniques, Efficiency Considerations,

COBOL II: Programming Techniques, Efficiency Considerations, Debugging...

COBOL No. II : Programming Techniques, Efficiency Considerations,

COBOL II: Programming Techniques, Efficiency Considerations, Debugging...

COBOL Programming

Cobol Programming: A Structural Approach by Nickerson, Robert C., Good Book

COBOL Application Debugging Under MVS: Cobol and Cobol II