ABDULLAH, Hassan Togun; SAJIT, Adnan Maleh; HASSAN, Marwa Habib. Espionage in ancient civilizations (3000BC-757AD). Journal of Humanities & Social Sciences, New Mexico, United States, v. 5, n. 4, p. 112–123, 2021. DOI: 10.26389/AJSRP.K141020. Disponível em: https://ajsrp.ojsexpert.com/index.php/jhss/article/view/3497. Acesso em: 20 dec. 2025.