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Portico
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Preserved
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2026-02-12
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Preserved : 2015: 16(1-4), 2016: 17(1-4), 2017: 18(1-4), 2003/2018: 19(1-4), 2019: 20(1-4), 2020: 21(1-5), 2021: 22(1-4), 2022: 23(1-4)
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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 : 2015:16(1 to 2);2015:16(4);2016:17(1 to 4);2017:18(1 to 4);2018:19(1 to 4);2019:20(1 to 4);2020:21(1 to 5);2021:22(1 to 4);2022:23(1 to 4)
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Portico
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Preserved
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2026-02-12
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Preserved : 2017: 16(1-4), 2016/2017: 17(1-4), 2017/2018: 18(1-4), 2018/2019: 19(1-4), 2019: 20(1-4), 2020: 21(1-5), 2021: 22(1-4)
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 16 (1 to 4); 17 (, 1 to 4); 18 (, 1 to 4); 19 (, 1 to 4); 20 (, 1 to 4); 21 (, 1 to 5); 22 (, 1 to 4); 23 (, 1 to 4); 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022
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Library of Congress
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Preserved
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2025-04-07
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23 (3, 4)
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