Upaya Satuan Sabhara dalam Mencegah Aksi Premanisme di Wilayah Hukum Polresta Surakarta. Indonesian Journal of Police Studies, Semarang, Indonesia, v. 7, n. 10, p. 617–654, 2017. DOI: 10.70526/ijps.v7i10.46. Disponível em: https://journal.akpol.ac.id/index.php/ijps/article/view/46. Acesso em: 23 oct. 2026.