HEČKO , Štefan; ŘIHÁK, Radim; MALÁTEK, Vojtěch. Lifelong Learning as Form of Human Resources Development. Edukacja Ekonomistów i Menedżerów, [S. l.], v. 33, n. 3, p. 36–51, 2014. DOI: 10.5604/01.3001.0009.4594. Disponível em: https://econjournals.sgh.waw.pl/EEiM/article/view/1692. Acesso em: 6 maj. 2024.