The for-hire jobs of the first Hungarian serial killer I. Academic Journal of Internal Affairs, [S. l.], v. 66, n. 1, p. 109–132, 2018. DOI: 10.38146/BSZ.2018.1.7. Disponível em: http://belugyiszemlejournal.pitservice.hu/index.php/belugyiszemle/article/view/429. Acesso em: 5 mar. 2026.