Hia, O. A. V., R. O. . Simarmata, and L. W. Manurung. “Error Analysis On The Pronunciation Of Past Tense Endings (-ED) By Eleventh Grade Students At SMA N 14 Medan”. Jurnal Kajian Ilmu Pendidikan (JKIP), vol. 7, no. 3, Apr. 2026, pp. 1653-68, doi:10.55583/jkip.v7i3.2293.