Difficulties in Perception and Pronunciation of Mandarin Chinese Disyllabic Word Tone Acquisition: A Study of Some Japanese University Students Yuting Dong author Yasushi Tsubota author Masatake Dantsuji author 2013-11 text Proceedings of the 27th Pacific Asia Conference on Language, Information, and Computation (PACLIC 27) Department of English, National Chengchi University Taipei, Taiwan conference publication dong-etal-2013-difficulties https://aclanthology.org/Y13-1012/ 2013-11 143 152