Miftakul Agustin Ning Anggraini, et al. “E-Government-Based Population Administration Services: A Case Study of SIAK Implementation in Tulungagung Regency”. Journal of Social Governance and Public Administration (SOGPA), vol. 1, no. 1, Apr. 2026, pp. 28-40, https://ojs.prosperalumina.com/index.php/si/article/view/13.