F. T. Castillejo, M. R. Calizo, and R. N. Maguddayao, “Code Switching and Students’ Performance in English”, IJEE, vol. 7, no. 4, pp. 406–421, Apr. 2026, Accessed: Aug. 27, 2026. [Online]. Available: https://ijee.org/ijee/article/view/432