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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 52 (1 to 6); 53 (, 1 to 6); 54 (, 1 to 6); 55 (, 1 to 6); 56 (, 1 to 6); 57 (, 1 to 6); 58 (, 1 to 6); 2009; 2010; 2011; 2012; 2013; 2014; 2015
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CLOCKSS Archive
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Preserved
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2026-02-09
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52 to 58
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Portico
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Preserved
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2026-02-12
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Preserved : 2009: 52(1-6), 2010: 53(1-6), 2011: 54(1-6), 2012: 55(1-6), 2013: 56(1-6), 2014: 57(1-6), 2015: 58(1-6)
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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 : 52 (1-6); 53 (1-6); 54 (1-4); 55 (1-6); 56 (1-6); 57 (1-6); 58 (1-6)
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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 : 63; 64; 65; 66
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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 : 63; 64; 65; 66
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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 : 6 (1 to 6); 54 (1 to 6); 55 (1 to 6); 56 (1 to 6); 58 (1 to 6); 59 (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 : 6 (1 to 6); 54 (1 to 6); 55 (1 to 6); 56 (1 to 6); 58 (1 to 6); 59 (1 to 6)
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