NYANDRA, Rifdhan Ismeth. Effectiveness of DKI Governor Regulation No. 31 of 2019 on Rivers in the Capital Region of Jakarta. QISTINA: Jurnal Multidisiplin Indonesia, [S. l.], v. 2, n. 1, p. 755–757, 2023. DOI: 10.57235/qistina.v2i1.469. Disponível em: https://rayyanjurnal.com/index.php/qistina/article/view/469. Acesso em: 12 jun. 2026.