Aprilyanti, Selvia. “Pengaruh Usia Dan Masa Kerja Terhadap Produktivitas Kerja (Studi Kasus: PT. OASIS Water International Cabang Palembang)”. Jurnal Sistem dan Manajemen Industri 1, no. 2 (December 31, 2017): 68-72. Accessed August 12, 2020. https://e-jurnal.lppmunsera.org/index.php/JSMI/article/view/413.