Mufilhah, Muflihah. “A Study of Code-Switching and Code-Mixing in Arabic Speaking Course”. Jurnal Alfazuna : Jurnal Pembelajaran Bahasa Arab Dan Kebahasaaraban, vol. 9, no. 1, Aug. 2015, https://jurnalftk.uinsa.ac.id/index.php/alfazuna/article/view/14.