Before you rush to git clone that suspicious repository, you need to understand the severe risks involved.
DAMA offers a free, high-level summary of the framework called the "DAMA Guide to the Data Management Body of Knowledge" (often called the "DAMA Wheel" document). While not the full 3rd edition, it provides the functional glossary and framework for free on their website.
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: It is an academic and reference-heavy text. It is designed to be consulted as a manual rather than read cover-to-cover, which can be daunting for beginners. Key Knowledge Areas Data Governance