Analysis of Urban Air Pollution and The Effectiveness of Air Pollution Control Policy in Malaysia: Case Study in Klang Valley, Malaysia. Jurnal Cita Hukum, [S. l.], v. 9, n. 1, p. 13–28, 2021. DOI: 10.15408/jch.v9i1.20018. Disponível em: https://journal.uinjkt.ac.id/citahukum/article/view/20018. Acesso em: 20 feb. 2026.