Requirements attributes to predict requirements related defects. - Shelly Park; Frank Maurer; Armin Eberlein; Tak-Shing Fung (CASCON, 2010)

Exploring causal relationships among teaching, cognitive and social presence: Student perceptions of the community of inquiry framework. - D. Randy Garrison; Martha Cleveland-Innes; Tak-Shing Fung (Internet High. Educ., 2010)