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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 5 (1); 2011
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CLOCKSS Archive
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Preserved
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2026-02-09
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5 to 18
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LOCKSS Archive
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Preserved
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2026-02-09
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5 to 18
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CLOCKSS Archive
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In Progress
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2026-02-09
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5 to 19
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Portico
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Preserved
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2026-02-12
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Preserved : 2011: 5(1-2), 2012: 6(1-2), 2013: 7(1-2), 2014: 8(1-2), 2015: 9(1-2), 2016: 10(1-2), 2017: 11(1-2), 2018: 12(1-2), 2019: 13(1-2), 2020: 14(1-2), 2021: 15(1-2), 2022: 16(1-2), 2023: 17(1-2), 2024: 18(1-2), 2025: 19(1-2), 2026: 20(1)
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LOCKSS Archive
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In Progress
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2026-02-09
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19
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National Digital Preservation Program, China
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Preserved
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2025-12-04
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Preserved : 1 (1, 2); 5 (1, 2); 6 (1, 2); 7 (1, 2); 8 (1, 2); 9 (1, 2); 11 (1, 2); 12 (1, 2); 13 (1, 2); 14 (1, 2); 15 (1, 2); 16 (1)
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National Library of the Netherlands
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Preserved
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2024-12-15
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Preserved : 6 (1); 7 (2); 8 (1, 2); 9 (1, 2); 10 (1, 2); 11 (1, 2); 12 (1, 2); 13 (1)
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