Enriching learning contexts to support communities of practice. - Yongwu Miao; Jutta Maria Fleschutz; Peter Zentel (CSCL, 1999)

An Activity-Oriented Approach to Visually Structured Knowledge Represenation for Problem-Based Learning in Virtual Learning Environments. - Yongwu Miao; Shirley J. Holst; Torsten Holmer; Jutta Maria Fleschutz; Peter Zentel (COOP, 2000)