CIEŚLIK, Andrzej; GAUGNER, Iryna; MICHAŁEK, Jan Jakub. Determinants Of Productivity Of Ukrainian Firms. Comparative Economic Research. Central and Eastern Europe, [S. l.], v. 20, n. 1, p. 5–19, 2017. DOI: 10.1515/cer-2017-0001. Disponível em: https://www.czasopisma.uni.lodz.pl/CER/article/view/1713. Acesso em: 8 dec. 2025.