Ridha, Ahmad. “Pengaruh Motivasi Dan Insentif Terhadap Peningkatan Produktivitas Kerja Karyawan Pada PT. Pelabuhan Indonesia IV Persero”. Innovative: Journal Of Social Science Research 4, no. 1 (January 28, 2024): 6767–6775. Accessed May 28, 2026. https://j-innovative.org/index.php/Innovative/article/view/8654.