SOEWITO, B.; SIMANJUNTAK, E. W. M. EFFICIENCY OPTIMIZATION OF ATTENDANCE SYSTEM WITH GPS AND BIOMETRIC METHOD USING MOBILE DEVICES. CommIT (Communication and Information Technology) Journal, [S. l.], v. 8, n. 1, p. 5-9, 2014. DOI: 10.21512/commit.v8i1.589. Disponível em: https://journal.binus.ac.id/index.php/commit/article/view/589. Acesso em: 13 mar. 2025.