Sitinjak, A. S., Pakpahan, C. and Saragi, C. N. (2026) “Code Switching And Code Mixing In Classroom Interaction Among Fifth-Semester English Education Student”, Jurnal Kajian Ilmu Pendidikan (JKIP), 7(3), pp. 1176-1195. doi: 10.55583/jkip.v7i3.2168.