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Portico
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Preserved
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2026-04-09
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Preserved : 2021: 8(1-2), 2022: 9(1-2), 2023: 10(1)
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Public Knowledge Project PLN
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Preserved
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2026-04-10
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Preserved : 1 (1); 2 (2); 3 (1, 2); 4 (1, 2); 5 (1, 2); 6 (1, 2); 7 (1, 2); 8 (1); 9 (2); 10 (1, 2)
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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); 3 (1, 2); 4 (1, 2); 5 (1, 2); 6 (1, 2); 7 (1, 2); 8 (1, 2); 9 (1, 2); 10 (1, 2)
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