作 者:Tom Caswell ;Sustainable Learning at Utah State University ;Shelley Henson 等
出 处:The International Review of Research in Open and Distributed Learning. 2008 ;9(1).
出 版 社:AU Press
文 章 ID:100272910
作 者:Johnson, Shelley Henson ;Shelton, Brett ;Wiley, David
出 处:Innovate: Journal of Online Education. 2008 ;4(2):2.
出 版 社:Nova Southeastern University
文 章 ID:103446530