УШКИН, Сергей Геннадьевич. RELATIONS OF FRIENDSHIP IN VIRTUAL SOCIAL NETWORK (AS EXEMPLIFIED BY SOCIAL NETWORK VKONTAKTE). Социум и власть, [S. l.], v. 56, n. 6, p. 71–76, 2015. Disponível em: https://socium-vlast.owebs.ru/article/view/28280. Acesso em: 8 nov. 2026.