CHEKUSHINA, Y. The origins and subject of "intellectual labor" category. Skhid, [S. l.], n. 4(124), p. 93–98, 2013. DOI: 10.21847/1728-9343.2013.4(124).16949. Disponível em: http://skhid.kubg.edu.ua/article/view/16949. Acesso em: 27 nov. 2021.