Putera, Lalu, Nona Arlita Yuningsih, and Muhammad Amin. “Analysis of Code Switching Used in Student-Lecturer Interactions in Online Learning Using Whatsapp”. PALAPA 9, no. 2 (November 30, 2021): 233-250. Accessed June 25, 2022. https://ejournal.stitpn.ac.id/index.php/palapa/article/view/1095.