Nadiyah Tri Hastuti: 1901055037 “An Analysis of the Factors Contributing to Code Switching in EFL Speaking Class”. Undergraduate Paper. Jakarta: The Faculty of Teacher Training and Education, The University of Muhammadiyah Prof. Dr. HAMKA, 2023. This research analyzes Indonesian-English Code Switching in UHAMKA's EFL speaking class. It seeks to understand why students code switch and its s…