Rengifurwarin, Zainal Abidin. “Analysis of Public Service Professionalism at the Department of Population and Civil Registration Ambon City”. International Journal of Science and Society 2, no. 4 (October 10, 2020): 383-403. Accessed April 21, 2026. https://www.ijsoc.goacademica.com/index.php/ijsoc/article/view/223.