Supriyanto, Didik, Samsul Wahidin, and Kridawati Sadhana. 2021. “Administration Services Population Through Population Administration System Application Program: Study of Population Service Processes through the Population Administration System Application Program in Batu City of Indonesia”. International Journal of Research in Social Science and Humanities (IJRSS) ISSN:2582-6220, DOI: 10.47505/IJRSS 2 (3):54-64. https://doi.org/10.47505/IJRSS.2021.9187.