Chen, C-C.C-C.ChenLin, K-C.K-C.LinWu, C-Y.C-Y.WuChen, C-L.C-L.ChenChen, C-H.C-H.ChenChen, H-C.H-C.ChenHong, W-H.W-H.HongWong, M-K.M-K.Wong2010-10-222018-07-092010-10-222018-07-092008http://ntur.lib.ntu.edu.tw//handle/246246/219187en-USAcoustic study in mandarin speaking-children:development changes of vowel production