ВЕРГУНОВА, Н. С.; ВЕРГУНОВ, С. В. OBJECTIVE DESIGN. TERM VALIDITY. Art and Design, [S. l.], n. 4, p. 30–39, 2019. DOI: 10.30857/2617-0272.2018.4.3. Disponível em: http://167.235.6.87:8089/index.php/artdes/article/view/207. Acesso em: 29 apr. 2025.