The Mediating Role of Playful Work Design in the Relationship between Quality of Work Life and Job Creativity among Employees of Non-Governmental Organizations (NGOs) in the Northern Borders Region. Economic studies journal, [S. l.], v. 9, n. 2, p. 310–287, 2026. DOI: 10.37375/esj.v9i2.4395. Disponível em: https://journal.su.edu.ly/index.php/esj/article/view/4395. Acesso em: 2 oct. 2026.