Chairuddin, C., and M. Y. Aditya. “The Implication of Bilingualism in EFL Classroom: An Investigation of Teaching and Learning in English Department”. Journal of Research on English and Language Learning (J-REaLL), vol. 2, no. 1, Jan. 2021, pp. 36-44, doi:10.33474/j-reall.v2i1.9352.