ARTENENKO, M.; CHEPELJUK, O. Harmonization tools of classrooms in aspect of eco-education. Theory and practice of design, [S. l.], n. 9, p. 11–19, 2016. DOI: 10.18372/2415-8151.9.10509. Disponível em: https://jrnl.nau.edu.ua/index.php/Design/article/view/10509. Acesso em: 21 feb. 2025.