Erny Rachmawati, Sulfah Anjarwati, Kris Linggardini. PENYULUHAN TENTANG KORESPONDENSI: PERBEDAAN SURAT FORMAL DAN NON FORMAL. ABDIMAN [Internet]. 2022 Jul. 23 [cited 2025 Aug. 28];1(7):1271-4. Available from: https://bajangjournal.com/index.php/JPM/article/view/2812