Putra, Afrizal Satrio, Muhammad Setiyawan, and Indrawan Ady Saputro. “Web-Based LINMAS Attendance System With Geolocation-Based Location Radius at Sudiroprajan Subdistrict Office ”. International Journal of Sustainable Applied Sciences 4, no. 8 (August 31, 2026): 899–910. Accessed September 10, 2026. http://ijsasjournal.my.id/index.php/ijsas/article/view/45.