Utomo PB, Wahyudi D, Mujiono M. Pengembangan Sistem Informasi Presensi Berbasis Global Positioning Systems dan Location-Based Service. j. inform. terpadu [Internet]. 30 Maret 2025 [dikutip 4 April 2025];11(1):20-8. Tersedia pada: https://journal.nurulfikri.ac.id/index.php/JIT/article/view/1563