Januarty, Widalicin, Desma Erica Maryati Manik, and Petrus Loo. “Dissemination of the ‘SignalPolri’ Application As Community Service of the GKPI Congregation Official Exemplary Congregation”. Jurnal IPTEK Bagi Masyarakat 3, no. 1 (August 23, 2023): 1–7. Accessed September 19, 2025. https://www.journal.aira.or.id/index.php/j-ibm/article/view/670.