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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 11 (1); 2017 (, 1); 2018
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Portico
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Preserved
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2026-02-12
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Preserved : 2004: 2004(1), 2005: 2005(1), 2006: 2006(1), 2007: 2007(1), 2008: 2008(1), 2009: 2009(1), 2010: 2010(1), 2011: 2011(1), 2012: 2012(1), 2013: 2013(1), 2014: 2014(1), 2015: 2015(1), 2016: 2016(1), 2017: 2017(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 2018: 11(1), 1999: 1999(1), 2000: 2000(1), 2001: 2001(1), 2002: 2002(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 2019: 2019(1), 2020: 2020(1), 2021: 2021(1), 2022: 2022(1)
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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 : 2 (1); 11; 18; 19; 21; 22; 23; 24; 25; 26; 27; 28; 29; 211; 212; 214; 215; 216; 217; 1999
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Library of Congress
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Preserved
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2025-04-07
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9 (1); 11 (1); 1999; 2000; 2001; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2014; 2015; 2016; 2017
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