Zuhriah Umi Kalsum, and Khairil Ansari. “Pengaruh Media Pembelajaran Flashcard Terhadap Kemampuan Menulis Surat Dinas Siswa Kelas VII SMP Muhammadiyah 1 Medan”. Jurnal Pendidikan, Bahasa dan Budaya 2, no. 3 (July 21, 2023): 199–209. Accessed June 30, 2026. https://globalnusapress.org/index.php/jpbb/article/view/2014.