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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 36 (2 to 6); 37 (1 to 6); 38 (1 to 6); 39 (1 to 6); 40 (s1, 1 to 6, 8); 41 (1, 2, 4, 5); 42 (1 to 6); 43 (1 to 5)
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LOCKSS Archive
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Preserved
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2026-04-06
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42 to 54
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CLOCKSS Archive
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Preserved
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2026-04-06
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43 to 55
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Portico
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Preserved
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2026-04-09
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Preserved : 2009: 41(6), 2010: 42(2-6), 2011: 43(1-6), 2012: 44(1-6), 2013: 45(1-7), 2014: 46(1-7), 2015: 47(1-7), 2016: 48(1-3, 5-6), 2017: 49(1-6), 2018: 50(1-6), 2019: 51(1-4), 2020: 52(1, 3-5), 2021: 53(3-7), 2022: 54(1-6), 2023: 55(1-6), 2024: 56(1-6), 2025: 57(1-5), 2026: 58(2)
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CLOCKSS Archive
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Preserved
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2026-04-06
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54 to 58
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