About: isa:122868575   Sponge Permalink

An Entity of Type : prov:Entity, within Data Space : webisadb.webdatacommons.org associated with source dataset(s)

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  • (7) Open-source instructional materials--Electronic instructional materials that are available for downloading from the Internet at no charge to a student and without requiring the purchase of an unlock code, membership, or other access or use charge, except for a charge to order an optional printed copy of all or part of the instructional materials.
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