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CLOCKSS Archive
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Preserved
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2026-04-06
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Portico
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Preserved
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2026-04-02
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Preserved : 2007: 1(1), 2008: 2(1), 2009: 3(1), 2010: 4(1), 2011: 5(1), 2012: 6(1), 2013: 7(1), 2014: 8(1), 2015: 9(1), 2016: 10(1-4), 2017: 11(1-4), 2018: 12(1-4), 2019: 13(3-4), 2020: 14(1-4), 2021: 15(1-4), 2022: 16(1-4), 2023: 17(1-4), 2024: 18(1-4), 2025: 19(1-4)
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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 1 (1); 2; 3; 4; 5; 6; 7; 8; 9; 10 (2 to 4); 11 (1, 2, 4); 12 (1 to 4); 13 (1 to 4); 14 (1 to 4); 15 (1 to 4); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4)
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