TAMPUBOLON, J.; SEMBIRING, A. C. . PENGUKURAN PRODUKTIVITAS & KINERJA PERUSAHAAN. PUBLISH BUKU UNPRI PRESS ISBN, [S. l.], v. 1, n. 1, 2024. Disponível em: https://jurnal.unprimdn.ac.id/index.php/ISBN/article/view/5232. Acesso em: 27 jan. 2025.