Mendrofa, Magdalena, Eliagus Telaumbanua, Fatolosa Hulu, and Nanny Buulolo. “Pengaruh Sistem Monitoring Dan Evaluasi Terhadap Kinerja Karyawan Perusahaan Umum Daerah Air Minum Tirta Umbu Kabupaten Nias”. Innovative: Journal Of Social Science Research 4, no. 3 (May 14, 2024): 2880–2887. Accessed May 1, 2026. https://j-innovative.org/index.php/Innovative/article/view/10291.