Mutiara, Amandin and Harahap, Z. (2026) “PENGARUH KOMPETENSI SUMBER DAYA MANUSIA DAN PENERAPAN SISTEM KERJA TERHADAP PRODUKTIVITAS KARYAWAN DI PT. NUSANTARA SURYA SAKTI KOTA PRABUMULIH ”, Global Research and Innovation Journal, 2(3), pp. 528–533. Available at: https://journaledutech.com/index.php/great/article/view/1557 (Accessed: 26 October 2026).