Sawangchit, Naphatsawan, Wissuta Wapadthai, and Chatuwit Keawsuwan. “A Comparative Study of the Pronunciation Between Chinese and Korean Labial Consonants”. Ganesha Journal 18, no. 1 (June 30, 2022): 47–61. accessed September 12, 2026. https://so01.tci-thaijo.org/index.php/pikanasan/article/view/251672.