Carren, Jennifer, Ivana Ivana, and Jessy Jessy. 2026. “An Analysis of Grammatical Errors Among High School Students at Perguruan Panglima Polem Rantauprapat”. Jurnal Indonesia Sosial Sains 7 (4):1351-60. https://doi.org/10.59141/jiss.v7i4.2315.