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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 1; 2 (2 to 4); 3 (1 to 4); 4 (1 to 4); 5 (1 to 4); 6 (1 to 4); 7 (1 to 4); 8 (1 to 4); 9 (1 to 4); 10 (1 to 4); 11 (1 to 4); 12 (1 to 4); 13 (1 to 4); 14 (1 to 6); 15 (1 to 6); 16 (1 to 6); 17 (01, 02, 03, 04, 05, 06); 18 (1 to 6); 19 (1 to 6); 20 (1 to 4, 5-6); 21 (1 to 6); 22 (2 to 6)
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Portico
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Preserved
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2026-05-14
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Preserved : 1982: 1(1), 1983: 2(1-4), 1984: 3(1-4), 1985: 4(1-4), 1986: 5(1-4), 1987: 6(1-4), 1988: 7(1-4), 1989: 8(1-4), 1990: 9(1-4), 1991: 10(1-4), 1992: 11(1-4), 1993: 12(1-4), 1994: 13(1-4), 1995: 14(1-6), 1996: 15(1-6), 1997: 16(1-6), 1998: 17(1-4, 6), 1999: 18(1-6), 2000: 19(1-6), 2001: 20(1-6), 2002: 21(1-6), 2003: 22(1-6)
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CLOCKSS Archive
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Preserved
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2026-05-11
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10 to 21
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National Digital Preservation Program, China
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Preserved
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2025-10-23
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Preserved : 2 (1 to 4, 5?6); 16 (1 to 6); 17 (1 to 6); 18 (1 to 6); 19 (1 to 6); 21 (1 to 6)
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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 : 2 (1 to 4, 5?6); 16 (1 to 6); 17 (1 to 6); 18 (1 to 6); 19 (1 to 6); 21 (1 to 6)
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