Sarundajang, I. F. ., E. E. Masengi, and S. V. Tarore. “Digital Administrative Services through E-Office in the Regional Secretariat of North Sulawesi Province”. International Journal of Information Technology and Education, vol. 5, no. 2S, Apr. 2026, pp. 344-57, https://ijite.jredu.id/index.php/ijite/article/view/351.