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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 97 (1); 2013 (, 78); 2016 (, 83, 84); 2017 (, 86); 2018 (, 87); 2019 (, 90); 2020 (, 92); 2021 (, 93, 94); 2022 (, 95, 96); 2023 (, 97, 98); 2024 (, 99, 100); 2025 (, 101)
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Portico
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Preserved
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2026-02-12
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Preserved : 2001: 54(2), 2002: 55(1), 2002: 56(2), 2003: 57(1), 2003: 58(2), 2004: 59(1), 2004: 60(2), 2006: 61(1), 2006: 62(2), 2007: 63(1), 2007: 64(2), 2008: 65(1), 2009: 66(1), 2010: 67(1), 2011: 68(1), 2011: 69-70(1), 2011: 71-72(1), 2012: 73-74(1), 2012: 75-76(1), 2013: 77(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 2013: 2013(78)
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Portico
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Preserved
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2026-02-12
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Preserved : 2014: 79(1), 2014: 80(1), 2015: 81(1), 2009: 1969(1), 2009: 1970(2)
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Portico
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Preserved
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2026-02-12
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Preserved : 2015: 1971(3), 1975/2014: 1975(1-4), 2015: 1976(1, 5), 2015: 1977(1, 6), 1978/2009: 1978(7-8), 1979/2009: 1979(9-10), 1980/2009: 1980(11-12), 1981: 1981(13-14), 1982: 1982(15-16), 1983: 1983(17-18), 1984/2009: 1984(19-20), 1985/2009: 1985(21-22), 1986/2009: 1986(23-24), 2009: 1987(26), 1988: 1988(27-28), 1989: 1989(29-30), 1990/2009: 1990(31-32), 1991/2009: 1991(33-34), 1992/2009: 1992(35-36), 2009: 1993(37-38), 2009: 1994(39-40), 1995/2009: 1995(41-42), 1996: 1996(43-44), 2009: 1997(45-46), 1998/2009: 1998(47-48), 1999/2009: 1999(49-50), 2009: 2001(53)
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Portico
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Preserved
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2026-02-12
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Preserved : 2015: 2015(82), 2016: 2016(83-84), 2017: 2017(85-86), 2018: 2018(87-88), 2019: 2019(89-90), 2020: 2020(91-92), 2021: 2021(93-94), 2022: 2022(95-96), 2023: 2023(97-98), 2024: 2024(99-100), 2025: 2025(101-102)
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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 (1); 2 (51, 52); 6 (2); 8 (1); 21 (53); 22 (91, 92); 54 (2); 55 (1); 56 (2); 57 (1); 58 (2); 59 (1); 61; 62 (2); 63 (1); 64 (2); 65 (1); 66; 67; 68; 69-7; 71-72; 73-74; 75-76; 77; 79; 81; 197 (2); 198 (11, 12); 199 (31, 32); 213 (78); 215 (82); 216 (83, 84); 217 (85, 86); 218 (87, 88); 219 (9, 89); 221 (93, 94); 222 (95, 96); 223 (97, 98); 1969 (1); 1971 (3); 1975 (2 to 4); 1976 (5); 1977 (6); 1978 (7, 8); 1979 (1, 9); 1981 (13, 14); 1982 (15, 16); 1983 (17, 18); 1984 (2, 19); 1985 (21, 22); 1986 (23, 24); 1987 (26); 1988 (27-28); 1989 (3, 29); 1991 (33, 34); 1992 (35, 36); 1993 (37, 38); 1994 (4, 39); 1995 (41, 42); 1996 (43, 44); 1997 (45, 46); 1998 (47, 48); 1999 (5, 49)
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Library of Congress
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Preserved
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2025-04-07
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1; 2 (1); 5 (1); 6 (1); 79 (1); 80 (1); 81 (1); 1971; 1975; 1976; 1977; 2015; 2016; 2017; 2018; 2019; 2020; 2022; 2023; 2024
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