COBOL for the 21st Century: Why the 11th Edition Still Matters
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| Red Flag | What It Means | |----------|----------------| | File size exactly 26.0 MB | Likely a dummy PDF or a single chapter padded with blank pages | | “Verified by [unknown group]” | No authority – only publishers verify | | Requires survey or password | Phishing or malware delivery | | No ISBN or copyright page | Generative AI placeholder text | | Published year shown as 2021+ | Impossible; 11th edition was 2014 | cobol for the 21st century 11th edition 26pdf verified