Anwar, O.P., Rakryan, R. and Faizah, N. (2025) “Development of an Android-Based Online Attendance System for Individual Service Providers of the Jagakarsa Fire Department Using the AppSheet Platform(Case Study: South Jakarta Jagakarsa Fire Department Sector)”, Journal Mobile Technologies (JMS), 3(1), pp. 9–17. doi:10.59431/jms.v3i1.545.