IVANOV, A. Серая жемчужина Еревана. проект байкал, Irkutsk, Russian Federation, v. 11, n. 39-40, p. 72–76, 2014. DOI: 10.7480/projectbaikal.39-40.704. Disponível em: https://projectbaikal.com/index.php/pb/article/view/704. Acesso em: 23 ноя. 2024.