Mohd Ariff Albakri, Intan Safinas, Farid Firdaus Rosli, Noriah Ismail, Ainon Omar, Raja Nor Safinas Raja Harun, and Mazalah Ahmad. 2013. “Investigating Undergraduate Students’ Anxiety in Learning English”. Jurnal Peradaban Melayu 8 (November):193-206. https://ojs.upsi.edu.my/index.php/JPM/article/view/3246.