NDRURU, R. R.; ZEGA, Y.; TELAUMBANUA, E.; WARUWU, S. Analysis of Additional Employee Income Provisions in Improve Employee Performance at The Ulunoyo District Office South Nias Regency. ProBisnis : Jurnal Manajemen, [S. l.], v. 16, n. 5, p. 1192–1196, 2025. Disponível em: https://ejournal.joninstitute.org/index.php/ProBisnis/article/view/1139. Acesso em: 25 mar. 2026.