TOPOL, Paweł. Vocational and Business Training in Virtual 3d Worlds. Studia Oeconomica Posnaniensia, Poznan, Polska, v. 3, n. 5, p. s. 143–158, 2015. DOI: 10.18559/8x18z450. Disponível em: https://journals.ue.poznan.pl/soep/article/view/3951. Acesso em: 3 sep. 2026.