S. V. Nugraha, L. A. Irawan, Haerazi, and T. O. Frank, “Segmental Aspects of Pronunciation Errors Produced by ELE Students in Classroom Settings”, JOLLS. Lang. Liter. Studies, vol. 2, no. 2, pp. 88–98, Nov. 2022, doi: 10.36312/jolls.v2i2.759.