LUTHFIANI, N. The Role of Jakarta-Berlin Sister City to Support Green City Program in 2018-2023. SIYAR Journal, [S. l.], v. 5, n. 1, p. 63–87, 2025. DOI: 10.15642/siyar.2025.5.1.63-87. Disponível em: https://jurnalfisip.uinsa.ac.id/index.php/siyar/article/view/774. Acesso em: 20 feb. 2026.