Yulyanti, D., S. W. Yulianto, and M. A. Nugraha. “The Influence Of English Song As Learning Materials Towards The Students’ Pronunciation”. Biormatika : Jurnal Ilmiah Fakultas Keguruan Dan Ilmu Pendidikan, vol. 5, no. 02, Sept. 2019, pp. 131-5, doi:10.35569/biormatika.v5i02.511.