Chen C.-C.KEH-CHUNG LINWu C.-Y.Chen C.-L.Chen C.-H.Chen H.-C.Hong W.-H.Wong A.M.-K.2020-03-262020-03-2620080255-8270https://www.scopus.com/inward/record.uri?eid=2-s2.0-54349099306&partnerID=40&md5=321865f053fe0c1bc478bfd2a126eacbhttps://scholars.lib.ntu.edu.tw/handle/123456789/479237Acoustic study in Mandarin-speaking children: Developmental changes in vowel productionjournal article190975982-s2.0-54349099306