Chen, Liping, and Weijia Hou. “Instructed Second Language Acquisition in Chinese As First Language English As Foreign Language in Secondary Schools”. Journal of Professional Communication and English Studies 1, no. 1 (May 24, 2025): 1-9. Accessed June 8, 2025. http://ejournal2.pnp.ac.id/index.php/PROCESS/article/view/1804.