SITINJAK, E. R. .; SINAMBELA, E. .; MELYSA, C. .; SITOMPUL, E. . An Analysis of Code Switching and Code Mixing on Teacher’s Function of Language Utterances. Cetta: Jurnal Ilmu Pendidikan, [S. l.], v. 3, n. 3, p. 546–555, 2020. Disponível em: https://jayapanguspress.penerbit.org/index.php/cetta/article/view/1929. Acesso em: 3 jul. 2024.