Muin, Abd. “Teaching English by Usi Ng Code Switching in The Classroom”. Sulesana: Jurnal Wawasan Keislaman 6, no. 2 (September 26, 2016): 26–34. Accessed June 27, 2025. http://journal.uin-alauddin.ac.id/index.php/sls/article/view/1399.