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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 1 (2-4); 2 (1-4); 3 (2 to 4); 4 (1-2, 3); 5 (1-2); 6; 7
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LOCKSS Archive
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Preserved
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2026-05-25
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1
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Portico
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Preserved
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2026-05-28
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Preserved : 2021: 3(3-4), 2022: 4(1-4), 2023: 5(1-2)
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CLOCKSS Archive
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Preserved
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2026-05-25
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3 to 7
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Portico
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Preserved
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2026-05-28
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Preserved : 2024: 6(1), 2025: 7(1)
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National Digital Preservation Program, China
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Preserved
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2025-10-23
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Preserved : 1 (1, 2-4); 2 (1-4); 6
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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, 2-4); 2 (1-4); 6
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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 : 1 (1)
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