Thein, M.K., Pale, E.S. and Siahaan, D.G. 2026. A Case Study of Code Mixing in an EFL Classroom: Evidence from an English Teacher in a Junior High School. FOSTER: Journal of English Language Teaching. 7, 3 (Jul. 2026), 49-61. DOI:https://doi.org/10.24256/foster-jelt.v7i3.424.