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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 30 (6); 63 (1 to 7, 9, 10, 1112); 64 (1 to 10, 12); 65 (1 to 12); 66 (1, 2, 4 to 12); 67 (1, 2, 3–4, 5 to 12, 34); 68 (7 to 9, 12, 1011); 69 (1 to 12); 70 (4 to 6, 8, 12); 71 (1 to 10, 1112); 72 (1 to 7, 9 to 12); 73 (2 to 6, 7-8, 9 to 12); 74 (2 to 6, 7-8, 9, 11, 12); 75 (1, 3 to 12); 76 (1 to 3, 7 to 9, 12)
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Portico
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Preserved
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2026-04-09
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Preserved : 2012/2013: 63(1-7, 10-12), 2013: 64(1-10), 2013/2014: 65(1-12), 2015: 66(1-2, 5-12), 2015/2016: 67(1-12), 2017: 68(1-12), 2017/2018: 69(1-12), 2019: 70(7-12), 2020: 71(1-12), 2020/2021: 72(1-7, 9-12), 2021/2022: 73(2-12), 2022/2023: 74(2-9, 11-12), 2024: 75(1, 3-12), 2025: 76(1)
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Portico
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Preserved
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2026-04-09
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Preserved : 2009: 60(1-12), 2009/2010: 61(1-12), 2011: 62(1-9), 2012/2013: 63(2, 6, 9-10, 12), 2013: 64(1-10, 12), 2014: 65(1-12), 2014/2015: 66(1-2, 4-12), 2016: 67(1-2, 4-12), 2017: 68(1-9, 11-12), 2017/2018: 69(1-7, 9-12), 2019: 70(1-12), 2020: 71(1-10, 12), 2021: 72(1-7, 9-12), 2021/2022: 73(2-6, 8-12), 2022/2023: 74(2-6)
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Portico
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Preserved
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2026-04-09
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Preserved : 2022/2023: 74(8-9, 11-12), 2023/2024: 75(1-2, 4-12), 2025: 76(1-12), 2026: 77(1, 3)
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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 : 7 (11, 12); 67 (2, 4 to 6); 71 (1 to 9, 12); 72 (1 to 7, 9, 11, 12); 73 (1 to 6, 8, 9, 11)
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