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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 23 (1 to 12); 24 (1 to 12); 25 (1 to 12); 26 (1 to 12); 27 (1 to 12); 28 (1 to 12); 29 (1 to 12); 30 (1 to 12); 31 (1 to 12); 32 (1 to 12); 33 (1 to 12); 34 (1 to 12); 35 (1 to 12); 36 (1 to 12); 37 (1 to 12); 38 (1 to 12); 39 (1 to 6)
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CLOCKSS Archive
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Preserved
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2026-04-06
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45
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Portico
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Preserved
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2026-04-09
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Preserved : 2002: 32(1, 10-11)
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Portico
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Preserved
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2026-04-09
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Preserved : 2003: 33(12)
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Portico
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Preserved
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2026-04-09
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Preserved : 2004: 34(12), 2005: 35(1-2, 4-6, 9-11), 2006: 36(2-3, 5-6, 8-12), 2007: 37(1-3, 5-9, 12), 2008: 38(1-2, 4-7, 10-12), 2009: 39(1-8, 10-12), 2010: 40(2-3, 6, 8-12), 2011: 41(1-12), 2012: 42(1-12), 2013: 43(1-12), 2014: 44(1-12), 2015: 45(1-12), 2016: 46(1-12), 2017: 47(1-12), 2018: 48(1-12), 2019: 49(1-12), 2020: 50(1-12), 2021: 51(1-12), 2022: 52(1-6)
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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 : 5 (1 to 9, 11, 12); 43 (1, 3 to 9, 11, 12); 44 (1 to 9, 11, 12); 45 (1 to 9, 11, 12); 46 (1 to 9, 11, 12); 47 (1 to 9, 11, 12); 48 (1 to 9, 11, 12); 49 (1 to 9, 11, 12); 51 (1 to 9, 11, 12); 52 (1 to 6)
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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 : 5 (1 to 9, 11, 12); 46 (1, 3 to 6, 8, 9, 11, 12); 47 (1 to 9, 11, 12); 48 (1, 2, 7 to 9, 11, 12); 49 (1 to 9, 11, 12); 51 (1 to 9, 11, 12); 52 (1 to 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 : 5 (1 to 9, 11, 12); 46 (1, 3 to 6, 8, 9, 11, 12); 47 (1 to 9, 11, 12); 48 (1, 2, 7 to 9, 11, 12); 49 (1 to 9, 11, 12); 51 (1 to 9, 11, 12); 52 (1 to 6)
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