Iswanto, I., A. S. Nurvita, A. Azmia, H. N. Ayni, and M. Ilham. “JENIS DAN FUNGSI SURAT”. Cendikia: Jurnal Pendidikan Dan Pengajaran, vol. 2, no. 10, Aug. 2024, pp. 177-82, https://jurnal.kolibi.org/index.php/cendikia/article/view/3054.