Putra, Tommy Subardi. 2017. “Optimalisasi Program SIM Online Guna Mendukung Pelayanan SIM Di Wilayah Hukum Polres Magelang”. Indonesian Journal of Police Studies 1 (3). Semarang, Indonesia. http://111.68.112.228:443/10.23.97.227/index.php/ijps/article/view/37.