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Books by Gary S Popkin

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Comprehensive structured COBOL, second edition, Gary S. Popkin
🇺🇸 United States
Comprehensive structured COBOL, second edition, Gary S. Pop…
By: Gary S Popkin
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Introductory Structured Cobol Programming
🇺🇸 United States
Introductory Structured Cobol Programming
By: Gary S Popkin
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