Elias, N. A. ., A. I. . Norzaidi, M. I. I. M. . Sabri, C. K. S. . Singh, Uma, S. . Ramanlingam, and M. . Maniam. “ESL Learners’ Perceptions of Code-Switching in the English Language Classroom”. International Journal of Asian Social Science, vol. 12, no. 5, May 2022, pp. 158-6, doi:10.55493/5007.v12i5.4494.