Books by Ray Welland
Fully integrated data environments
Methodical programming in COBO
Methodical programming in COBOL-85
Software engineering for electronic systems designers
Methodical Programming in COBOL
Pocket guide to COBOL
Pocket guide to COBOL
Decision tables and computer programming
Pocket Guide to Cobol (Pitman Programming Pocket Guides)
Welland Decision Tables and Co
Welland Decision Tables and Computer Programming