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Best Choice Mike Murach & Associates 
Murach's Mainframe COBOL Murach's Mainframe COBOLBest Value O'Reilly Media 
Modern Mainframe Development: Cobol, Databases, and Next-Generation Approaches Isaac Nangan 
The z/OS Modernization Handbook 
Command Language Cookbook for Mainframes, Minicomputers, and PC'S: Dos/Os/2 Batch Language, Clist, Dcl, Perl, and Rexx Isaac Nangan 
Mastering Mainframe Modernization Isaac Nangan 
Next-Gen Mainframe: Mastering Modern Automation Techniques Isaac Nangan 
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