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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 13; 14 (2 to 4); 15 (1Controversies, 2 to 4); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 20 (1 to 4); 21 (1 to 4); 22 (1 to 4); 23 (1 to 4); 24 (1, 2)
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LOCKSS Archive
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In Progress
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2026-04-06
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13 to 18
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CLOCKSS Archive
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Preserved
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2026-04-06
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13 to 24
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Portico
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Preserved
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2026-04-09
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Preserved : 2015: 13(1), 2016: 14(1-4), 2017: 15(1-4), 2018: 16(1-4), 2019: 17(1-4), 2020: 18(1-4), 2021: 19(1-4), 2022: 20(1-4), 2023: 21(1-4), 2024: 22(1-4), 2025: 23(1-4), 2026: 24(1-2)
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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 : 22 (1 to 4)
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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 : 22 (1 to 4)
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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 : 13 (1); 14 (2-4); 15 (supplement-1, 1-4); 16 (1-4); 17 (1-3)
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