|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 2023: 6(1), 2024: 7(1)
|
|
|
Scholars Portal
|
|
Preserved
|
2025-09-02
|
|
|
Preserved : 6 (1); 7 (, 1); 2023; 2024
|
|
|
Public Knowledge Project PLN
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 4; 5; 6; 7; 8
|
|
|
Library of Congress
|
|
Preserved
|
2025-04-07
|
|
|
6 (1); 7 (1)
|