Weli, Weli, Rilo Pambudi, Esther Meilia, and Daniel Joshua. 2021. “Optimizing the Use of Microsoft Excel for Employees’ Administrative Tasks at Le Premier Hotel Kota Deltamas, Cikarang”. MITRA: Jurnal Pemberdayaan Masyarakat 5 (1):17-29. https://doi.org/10.25170/mitra.v5i1.1347.