Putri , Dian Mega. “English Teacher’s Code Switching in The Classroom (A Case Study in Grade IX of SMK 10 Padang)”. Journal of Educational Sciences 4, no. 3 (July 24, 2020): 620–631. Accessed April 20, 2026. https://jes.ejournal.unri.ac.id/index.php/JES/article/view/1157.