Siregar, I.H. and Siregar, I.H. 2025. Implementation of Constitutional Court Decision No. 57/PUU-IX/2011 Regarding Smoking-Prohibited Areas and Smoking Areas: A Siyasah Qadhaiyyah Perspective. LEGAL BRIEF. 14, 3 (Aug. 2025), 689–698. DOI:https://doi.org/10.35335/legal.v14i3.1387.