Khalidy F, Mardiah M, Amir S, Saputri KD. Perancangan Sistem Monitoring Karyawan Berbasis Android di Universitas Nahdlatul Ulama Sumatera Utara. JURNAL TEKNOLOGI UNIVERSAL [Internet]. 2023 Dec. 28 [cited 2026 Jul. 27];16(2):183-95. Available from: https://ejurnal.itbriaupesisir.ac.id/index.php/unitek/article/view/671