Sutikno A. SISTEM INFORMASI PENGGAJIAN KARYAWAN PT METAGRA MENGGUNAKAN METODE WATERFALL. JUPIKOM [Internet]. 2022 May 18 [cited 2024 Nov. 27];1(2):100-1. Available from: https://ejurnal.stie-trianandra.ac.id/index.php/jupikom/article/view/326