KRAVCHUK, Oleksandr M.; ZINKO, Yurii A. Intelligence gathering and state secret protection services of the Ottoman Empire in the 16th century (Review of the publication: Gurkan E. S. The Sultan’s Spies: Intelligence, Sabotage, and Corruption Networks of the 16th Century. Lviv: Annetta Antonenko Publishers; Kyiv: Nika - Center, 2023. 320 p.). Scientific Papers of the Vinnytsia Mykhailo Kotsyiubynskyi State Pedagogical University Series History, [S. l.], n. 56, p. 215–218, 2026. DOI: 10.31652/2411-2143-2026-56-215-219. Disponível em: https://intranet.vspu.edu.ua/nzhist/index.php/nzhist/article/view/1185.. Acesso em: 16 sep. 2026.