Arief, Muhammad Nur, Muhammad Rizki Setyawan, Rendra Soekarta, and Pascalina Magrice Simori. “Web-Based System Information Certificate Services at Klamono District Offices”. Semesta Teknika 26, no. 2 (November 25, 2023): 181–193. Accessed September 7, 2025. https://journal.umy.ac.id/index.php/st/article/view/19573.