HASIBUAN, N.; HUSAINI, N. J.; RAMADHANI, S.; ARDIANI, C. F. Analisis Perlindungan Pekerja Berdasarkan UU Ketenagakerjaan dalam Sistem Outsourcing. Surplus: Jurnal Ekonomi dan Bisnis, [S. l.], v. 3, n. 2, p. 470–481, 2025. DOI: 10.71456/sur.v3i2.1336. Disponível em: https://yptb.org/index.php/sur/article/view/1336. Acesso em: 10 feb. 2026.