KLYUEV, Sergey A.; SEMENOVA, Valeria N. The Results of New Research in the Tigray Region, Ethiopia: Three Rock-hewn Churches of Kola Tembien as Historical Sources. Vestnik of Saint Petersburg University. Asian and African Studies, [S. l.], v. 13, n. 2, p. 161–186, 2021. DOI: 10.21638/spbu13.2021.203. Disponível em: https://aasjournal.spbu.ru/article/view/11439. Acesso em: 17 may. 2024.