Jaftoran AF, Siswani CB, Hammar II. Implementation of the Use of Force by Police Officers In Handling Mass Actions Based On The Regulation of The Chief of The Indonesian National Police Number 1 of 2009. J Legal, Brief, Legal Brief [Internet]. 2025 Dec. 19 [cited 2026 May 13];14(5):1107-1. Available from: https://legal.isha.or.id/index.php/legal/article/view/1515