HELMIYADI. AN ERROR ANALYSIS OF STUDENTS’ GRAMMAR IN WRITING : (A Mix Method at Darul Ulum, A Private Islamic Boarding Senior High School in Lhokseumawe). Getsempena English Education Journal, [S. l.], v. 5, n. 2, p. 65–73, 2018. DOI: 10.46244/geej.v5i2.828. Disponível em: https://ejournal.bbg.ac.id/index.php/geej/article/view/828. Acesso em: 27 jul. 2026.