KOTLORZ, D.; SKÓRSKA, A. Transformation of Employment Structures in Poland - Servitization of Economy. Olsztyn Economic Journal, [S. l.], v. 8, n. 2, p. 93–108, 2013. DOI: 10.31648/oej.3219. Disponível em: https://czasopisma.uwm.edu.pl/index.php/oej/article/view/3219. Acesso em: 17 mai. 2024.