Joseph Fong Margaret Ng Irene S. Y. Kwan Macro Tam Effective E-learning by Use of HCI and Web-Based Workflow Approach. 271-286 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2783&spage=271 2003 conf/icwl/2003 ICWL db/conf/icwl/icwl2003.html#FongNKT03