Puspita, R. et al. 2022. The Analysis Of Code Switching Used By English Teacher In Teaching English For Specific Puspose (ESP) For Nursing Students In Samarinda. Jurnal Pendidikan Tambusai. 6, 1 (Feb. 2022), 1570–1575. DOI:https://doi.org/10.31004/jptam.v6i1.3154.