เยี่ยมคำนวณ จ. “The Implication for English-Thai Mixing and Possibility of Internet Chat Rooms as Alternative Learning Environments”. Journal of Humanities and Social Sciences Prince of Songkla University, vol. 6, no. 2, July 2010, pp. 21-46, https://so03.tci-thaijo.org/index.php/eJHUSO/article/view/85798.