The for-hire jobs of the first Hungarian serial killer II. Academic Journal of Internal Affairs, [S. l.], v. 66, n. 2, p. 136–154, 2018. DOI: 10.38146/BSZ.2018.2.9. Disponível em: http://belugyiszemle-350.pitservice.hu/index.php/belugyiszemle/article/view/438. Acesso em: 21 mar. 2026.