Ikasari, Indri, Donna Setiawati, and Dwi Kristiani. “Aplikasi Managemen Surat Berbasis WEB Pada SMK Negeri 1 Boyolali”. JITU : Journal Informatic Technology And Communication 4, no. 1 (January 31, 2020): 10–16. Accessed June 2, 2026. https://ejournal.uby.ac.id/index.php/jitu/article/view/266.