周保男2014-10-272014-10-272007-08-??http://rportal.lib.ntnu.edu.tw/handle/20.500.12235/22234教育科技教學科技與媒體資訊教育數位學習Educational technologyInstructional technology and mediaInformation and computer educationE-learning美國教育科技之發展現況與趨勢:以大學教育為例The Status and Trends of Educational Technologies in the United States: Higher Education Institution as an Example