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Best Choice Mike Murach & Associates 
Murach's Mainframe COBOL Murach's Mainframe COBOLMC Press 
IBM Mainframe Security: Beyond the Basics--A Practical Guide from a Z/OS and Racf Perspective Learn how to identify and reduce security weaknesses at your installationBest Value 
Introduction to Production Services Mainframe ,Midrange and Managed File Transfer Robert Wingate 
IBM Mainframe Developer Training and Reference Guide Isaac Nangan 
The z/OS Modernization Handbook Robert Wingate 
COBOL Basic Training Using VSAM, IMS, DB2 and CICS Isaac Nangan 
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