SAGOO , H. S. . A CRASH COURSE IN SURVIVING GANGSTERS, SERIAL KILLERS, CONTRACT KILLERS AND TERRORISTS. Kharkiv: TECHNOLOGY CENTER PC, 2016. DOI: 10.15587/978-966-97466-8-9. Disponível em: https://doi.uran.ua/index.php/pctc/catalog/book/978-966-97466-8-9. Acesso em: 22 jan. 2025.