Lucero, Edgar. “Code-Switching to Know a TL Equivalent of an L1 Word: Request-Provision-Acknowledgement (RPA) Sequence”. HOW 18, no. 1 (December 1, 2011): 58–72. Accessed November 29, 2024. https://www.howjournalcolombia.org/index.php/how/article/view/52.