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Portico
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Preserved
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2026-02-12
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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), 2017: 11(1), 2018: 12(1), 2019: 13(1), 2020: 14(1), 2021: 15(1), 2022: 16(1), 2023: 17(1), 2024: 18(1), 2025: 19(1), 2026: 20(1)
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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 : 2007:1(1 to 15);2008:2(1 to 36);2009:1(9);2009:3(1 to 17);2009:3(19 to 41);2010:4(1 to 33);2011:3(27);2011:5(1 to 22);2012:6(1 to 2);2012:6(4 to 47);2013:7(1 to 43);2014:8(1 to 44);2015:9(1 to 44);2016:10(1 to 24);2016:10(26 to 33);2017:11(1 to 35);2018:12(1 to 67);2019:13(1 to 53);2020:14(1 to 26);2021:15(1);2022:16(1);2023:17(1);2024:18(1)
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 13 (1); 15 (, 1); 16 (, 1); 17 (, 1); 18 (, 1); 19 (, 1); 2019; 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 : 1; 2; 3; 4; 5; 6; 7; 8; 9; 11; 12; 13; 14; 15; 16; 17
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