PETRIAS H. UPAYA PENINGKATAN KEMAMPUAN MENULIS SURAT UNDANGAN MELALUI METODE DRILL KELAS XII IPA 1 MA USB FILIAL MAN BATAM. LANGUAGE [Internet]. 2022Jun.11 [cited 2024Nov.26];2(2):122-6. Available from: https://jurnalp4i.com/index.php/language/article/view/1216