ISMAIL, Fadillah. Faktor penglibatan dan penghalang dari menyertai kesatuan sekerja. Human Sustainability Procedia, [S. l.], v. 2, n. 2, p. 7–18, 2022. Disponível em: https://publisher.uthm.edu.my/periodicals/index.php/hsp/article/view/9273. Acesso em: 11 mar. 2026.