Rahman, Mizanur, & Md Kamrul Hasan.
"A study of voiceless inter-dental fricative [θ], [ð] sounds and alveolar liquid [r] sound among Chinese learners of English at a higher educational institution in Malaysia." <em>Journal of Applied Studies in Language</em> [Online], 3.2 (2019): 148-157. Web. 30 Apr. 2024