DANILEWICZ, Dariusz. Analysis of Training Services Market in Poland. Edukacja Ekonomistów i Menedżerów, [S. l.], v. 27, n. 1, p. 67–82, 2013. DOI: 10.5604/01.3001.0009.6295. Disponível em: https://econjournals.sgh.waw.pl/EEiM/article/view/1625. Acesso em: 5 maj. 2024.