FARROKH, K.; KARAMIAN, G.; KARAMIAN, H. Military Architecture and the Four-Spāhbed System for Defense of the Sasanian Empire (224-651 CE). Historia i Świat, [S. l.], v. 10, p. 117–151, 2021. DOI: 10.34739/his.2021.10.05. Disponível em: https://czasopisma.uph.edu.pl/historiaswiat/article/view/2553. Acesso em: 29 mar. 2024.