Alhafsi HF. Implementasi Aplikasi Smile Police (Panic Button) dalam Quick Response Pelayanan Masyarakat di Wilayah Hukum Polres Salatiga. IJPS [Internet]. 2020Feb.13 [cited 2024Nov.23];6(8):213-56. Available from: http://journal.akpol.ac.id/index.php/ijps/article/view/78