Sembiring, Sugihana, & Rosita Ginting.
" THE ROLE OF SURAT UKAT IN KARO  SINGALOR LAU KARO DISTRICT." <em>Linguistika: Buletin Ilmiah Program Magister Linguistik Universitas Udayana</em> [Online], 26.1 (2019): 1--7. Web.  7 May. 2024