Ting, S. H., H. Raslie, and L. J. Jee. “Case Study on Persuasiveness of Argument Texts Written by Proficient and Less Proficient Malaysian Undergraduates”. Malaysian Journal of Learning and Instruction, vol. 8, Jan. 2011, pp. 71-92, https://e-journal.uum.edu.my/index.php/mjli/article/view/7627.