Marito, Fourmey Rindu. “GRAMMATICAL INTERFERENCE OF TOBA BATAK LANGUAGE IN INDONESIAN NARRATIVE COMMISSIONS OF HIGH SCHOOL STUDENTS”. REKOGNISI : Jurnal Pendidikan Dan Kependidikan (E-ISSN 2599-2260), vol. 2, no. 2, Dec. 2017, pp. 69-80, https://jurnal.unusu.ac.id/index.php/rekognisi/article/view/69.