SARI ADELINA, Y.; NENENG SRI LESTARI; SUPRAYETNO, E. Analysis Students Addition Error in Writing Thesis Abstract Of English Education Department STKIP AL Maksum Langkat. JURNAL MUTIARA PENDIDIKAN INDONESIA, [S. l.], v. 7, n. 2, p. 167–172, 2022. DOI: 10.51544/mutiarapendidik.v7i2.3476. Disponível em: http://e-journal.sari-mutiara.ac.id/index.php/JMT/article/view/3476. Acesso em: 23 apr. 2024.