Sumarsih. “Lexical Interference of Mandailing Language on Indonesian Language at Sitamiang Baru Padangsidimpuan”. Asian Social Science and Humanities Research Journal (ASHREJ) 2, no. 2 (October 1, 2020): 62-68. Accessed April 24, 2024. https://journal.ucyp.edu.my/index.php/ASHREJ/article/view/44.