Febrianitha, L. and Gusthini, M. 2025. Code-Switching and Code-Mixing Phenomena in Indonesian-English Bilingual Conversation: A Case Study of FYC Agency. Jurnal Ilmu Sosial dan Humaniora. 4, 2 (Dec. 2025), 223–236. DOI:https://doi.org/10.57248/jishum.v4i2.710.