WOJTCZUK-TUREK, Agnieszka. Strengthening psychological capital as an important element of sustainable employee development in the context of requirements and resources in the workplace. Edukacja Ekonomistów i Menedżerów, [S. l.], v. 57, n. 3, 2020. DOI: 10.33119/EEIM.2020.57.3. Disponível em: https://econjournals.sgh.waw.pl/EEiM/article/view/2450. Acesso em: 14 grudz. 2024.