Tawichai, Suphachai, Thinnawat Sroikudrua, and Piyaporn Punkasirikul. “Meaning Extension of the Korean Loan Word Oppa in the Thai Context”. Kasetsart Journal of Social Sciences 44, no. 1 (March 15, 2023): 293–300. Accessed April 28, 2024. https://so04.tci-thaijo.org/index.php/kjss/article/view/264477.