Dwiono, Sugeng, Slamet Haryadi, and Azzahra Rizki Ananda, trans. “The Urgency of a Green Constitution Policy in the Development of the Indonesian Capital City As a Green Economy-Based City”. El-Usrah: Jurnal Hukum Keluarga 9, no. 1 (May 30, 2026). Accessed August 9, 2026. https://jurnal.ar-raniry.ac.id/index.php/usrah/article/view/32232.