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ZBW - Leibniz Information Centre for Economics
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Preserved
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2025-12-15
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Preserved : 40:1 to 40:6;41:1 to 41:6;42:1 to 42:6;43:6;43:1 to 43:6;44:1 to 44:2;44:4;43:6;44:1 to 44:6;45:1;45:3 to 45:4;47:2;45:1 to 45:6;46:1 to 46:4;47:1 to 47:2;46:1 to 46:6;47:1 to 47:4;46:2;47:1 to 47:6;2023:0;47:1 to 47:4
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Portico
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Preserved
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2026-02-12
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Preserved : 2015: 40(1, S 1, 2-6), 2016: 41(1, S 1, 2, S 2, 3, S 3, 4, S 4, 5, S 5, 6), 2017: 42(1, S 1, 2, S 2, 3-6), 2018: 43(1, S 1, 2, S 2, 3, S 3, 4, S 4, 5, S 5, 6), 2019: 44(1, S 1, 2, S 2, 3, S 3, 4-6), 2020: 45(1, S 1, 2, S 2, 3-6), 2020/2021/2022: 46(1, S 1, 2, S 2, 3-6), 2022/2023: 47(1, S 1, 2, S 2, 3, S 3, 4, S 4, 5-6), 2023/2024: 48(1, S 1, 2, S 2, 3, S 3, 4-6), 2024/2025: 49(1, S 1, 2-6), 2025: 50(1-6)
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 42 (5, 6); 43 (, 1 to 6); 44 (, 1 to 6); 45 (, 1 to 6); 46 (, 4 to 6); 47 (, 1 to 6); 48 (, 1 to 6); 49 (, 2 to 6); 50 (, 1 to 3); 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024; 2025
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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 (s1, 1 to 6); 41 (s4, 1 to 6); 42 (s1, 1 to 6); 43 (s2, 1 to 6); 44 (s3, 1 to 6); 45 (s1, 1 to 6); 46 (s1, 1 to 6); 47 (s4, 1 to 6); 48 (1 to 5)
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Library of Congress
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Preserved
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2025-04-07
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40 (s1, 1 to 6); 41 (s4, s5, s3, s1, s2, 1 to 6); 42 (s1, s2, 1 to 6); 43 (s4, s2, Supplement, s5, 4 to 6); 44 (s1, s2, 1 to 6); 47 (s1, s2, s3, s4, 4 to 6); 48 (s2, s1, s3, 1 to 6); 49 (1 to 5)
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