TÜREI, Sándor. Different characteristic features regarding the productivity increase in the US and the EU in the 1990s. Periodica Polytechnica Social and Management Sciences, [S. l.], v. 14, n. 1, p. 3–10, 2006. 10.3311/pp.so.2006-1.01. Disponível em: https://pp.bme.hu/so/article/view/1628. Acesso em: 3 may. 2024.