Siti Hani Fatus Solekah, Siti Hani Fatus Solekah (2022) (keaslian tulisan harus bermeterai..silakn upload ulang)..CODE SWITCHING AND CODE MIXING USED BY TEACHER IN THE ENGLISH LEARNING PROCESS IN CLASS 11 SMKN 1 BADEGAN PONOROGO. Undergraduate (S1) thesis, IAIN Ponorogo.
