Sugihartono, T.; Nabil Hakiki , P.; Maxrizal; Rian chrisna Putra, R. . Improving Employee Performance and Discipline Through Android-Based Employee Attendance Applications: Meningkatkan Kinerja Dan Disiplin Karyawan Melalui Aplikasi Absensi Karyawan Berbasis Android. Systematics Journal 2023, 5, 588-593.