SETYAWAN, W.; NUGROHO, D. C. Peran Strategi Manajemen Tenaga Kerja Outsourcing di PT Beton Jaya Manunggal Tbk dalam Optimalisasi Produktivitas dan Efisiensi Biaya. RIGGS: Journal of Artificial Intelligence and Digital Business, [S. l.], v. 4, n. 2, p. 4652–4656, 2025. DOI: 10.31004/riggs.v4i2.1299. Disponível em: https://journal.ilmudata.co.id/index.php/RIGGS/article/view/1299. Acesso em: 1 feb. 2026.