Soro, Elsa. “Urban-Human Faces and the Semiotic Right to the City: From the USSR Propaganda Machinery to the Participatory City”. Sign Systems Studies 49, no. 3-4 (December 31, 2021): 590-607. Accessed June 25, 2022. http://ojs.utlib.ee/index.php/sss/article/view/SSS.2021.49.3-4.17.