A VR-based shared web system for distance education. - Timothy K. Shih; Ya-Fung Chang; Hun-Hui Hsu; Ying-Hong Wang; Yung-Hui Chen (Interact. Technol. Smart Educ., 2004)

Qualitative Text Mining in Student's Service Learning Diary. - Chia-Ling Hsu; Ya-Fung Chang (IBICA, 2012)