Sumarsi, Nanik. “Inaccuracies of Writing Sentence in Teacher’s Scientific Writing Paper in Yogyakarta”. Gramatika: Jurnal Ilmiah Kebahasaan dan Kesastraan 6, no. 1 (June 30, 2018): 36-48. Accessed December 3, 2024. http://gramatika.kemdikbud.go.id/index.php/gramatika/article/view/133.