登入
選單
返回
Google圖書搜尋
An Analysis of Face-to-face, Video, and Remote Audio Feedback Techniques
Calvin J. Cotrell
Ronald D. Daugherty
出版
Center for Vocational and Technical Education, Ohio State University.
, 1971
URL
http://books.google.com.hk/books?id=xkLIBcXZ4PwC&hl=&source=gbs_api