Gultom, Junus Parulian, Susan Kustiwan, and Rani Rahmadiyani. “Analisis Kinerja Dan Produktivitas Karyawan Menggunakan Metode Work Sampling Pada Section Loading PT. Nippisun Indonesia”. Empiricism Journal 7, no. 3 (September 9, 2026): 2801–2808. Accessed October 21, 2026. https://journal-center.litpam.com/index.php/empiricism/article/view/6706.