Fokaaya, Nurhayati. “Language Expression As Social Criticism on Iwan Fals’ Songs”. Gramatika: Jurnal Ilmiah Kebahasaan dan Kesastraan 3, no. 1 (June 1, 2015): 93-99. Accessed December 4, 2024. http://gramatika.kemdikbud.go.id/index.php/gramatika/article/view/124.