Sectoral Differentiation of Labor Productivity Changes in Poland. Research Bulletins of the Faculty of Economic Sciences, [S. l.], v. 1, n. 22, p. 313–324, 2018. Disponível em: https://ezeszyty.wne.tu.koszalin.pl/index.php/zeszyty/article/view/123. Acesso em: 19 jul. 2025.