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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 16 (1); 17 (, 1); 18 (, 1); 19 (, 1); 20 (, 1); 21 (, 1); 22 (, 1); 23 (, 1); 24 (, 1); 25 (, 1); 26 (, 1); 27 (, 1); 28 (, 1); 29 (, 1); 30 (, 1); 31 (, 1); 32 (, 1); 33 (, 1); 34 (, 1); 35 (, 1); 36; 37; 38; 39; 40; 41; 42; 1996; 1997; 1998; 1999; 2001; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024
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Portico
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Preserved
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2026-02-12
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Preserved : 1981: 1(1), 1982: 2(1), 1983: 3(1), 1984: 4(1), 1985: 5(1), 1986: 6(1), 1987: 7(1), 1988: 8(1), 1989: 9(1), 1990: 10(1), 1991: 11(1), 1992: 12(1), 1993: 13(1), 1994: 14(1), 1995: 15(1), 1996: 16(1), 1997: 17(1), 1998: 18(1), 1999: 19(1), 2001: 20(1), 2001: 21(1), 2003: 22(1), 2004: 23(1), 2005: 24(1), 2006: 25(1), 2007: 26(1), 2008: 27(1), 2009: 28(1), 2010: 29(1), 2011: 30(1), 2012: 31(1), 2013: 32(1), 2014: 33(1), 2015: 34(1), 2016: 35(1), 2017: 36, 2018: 37, 2019: 38, 2020: 39, 2021: 40, 2022: 41
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LOCKSS Archive
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Preserved
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2026-02-09
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27 to 37
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CLOCKSS Archive
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In Progress
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2026-02-09
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27, 35 to 42
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CLOCKSS Archive
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Preserved
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2026-02-09
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28 to 34
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LOCKSS Archive
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In Progress
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2026-02-09
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38
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Portico
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Preserved
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2026-02-12
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Preserved : 2024: 43
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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 : ; 4; 35 (1); 36; 37; 38; 39; 41
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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 : ; 4; 35 (1); 36; 37; 38; 39; 41
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