NAGY, E. Doloreux, D., Freel, M. and Shearmur, R. eds: Knowledge-Intensive Business Services. Geography and Innovation. Hungarian Geographical Bulletin, [S. l.], v. 61, n. 3, p. 257–259, 2012. Disponível em: https://ojs.mtak.hu/index.php/hungeobull/article/view/3008. Acesso em: 30 oct. 2026.