Upaya Kepolisian Resor Kota Besar Surabaya dalam Menanggulangi Gangster (Geng Motor). Lex Journal : Kajian Hukum dan Keadilan, [S. l.], v. 7, n. 1, p. 151–165, 2025. DOI: 10.25139/lex.v7i1.9787. Disponível em: https://ejournal.unitomo.ac.id/index.php/hukum/article/view/9787. Acesso em: 16 jun. 2026.