SIANIPAR, A.; SILABAN, P.; SITORUS, S. A. Pengaruh Penghargaan Dan Efektifitas Kerja Terhadap Kinerja Karyawan PT. United Kingdom Indonesia Plantations Kabupaten Langkat. Economics and Digital Business Review, [S. l.], v. 6, n. 2, p. 1019–1032, 2025. DOI: 10.37531/ecotal.v6i2.2366. Disponível em: https://ojs.stieamkop.ac.id/index.php/ecotal/article/view/2366. Acesso em: 16 jun. 2025.