Laekha, Ester. “Rancang Bangun Sistem Informasi Surat Perintah Perjalanan Dinas”. Jurnal Teknik Informatika dan Sistem Informasi 3, no. 3 (December 7, 2017). Accessed January 18, 2025. http://224305.koshikahk.tech/index.php/jutisi/article/view/699.