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), pp. 689–698. doi: 10.35335/legal.v14i3.1387.