王等元2014-10-272014-10-272000-12-??http://rportal.lib.ntnu.edu.tw/handle/20.500.12235/18672隔空教育學習者支持系統歷程檔案競值分析Distance educationLearner support systemPortfolioCompeting values analysis「歷程檔案」概念及其在學習者支持系統之意涵The Concept of Portfolio and Its Implications for Learner Support Systems