蔡叔翹2014-10-272014-10-272005-10-??http://rportal.lib.ntnu.edu.tw/handle/20.500.12235/22270數位學習 數位內容 專業英文 海外參展實務E-learning Digital content English for business Practice of overseas trade fairs商務英文多媒體數位教材之研製:海外參展實務Developing a Multimedia Digital Material for Business English: Practice of Participation in an Overseas Trade Fair