Symphony: exploring user interface representations for learner-centered process scaffolding. - Chris Quintana; Elliot Soloway; Joseph Krajcik; Andrew Carra; Matt Houser; Mike McDonald; Mike Mouradian; Aaron Saarela; Naresh Vyas; Michele Wisnudel (CHI Conference Summary, 1998)

Symphony: A Case Study in Extending Learner-Centered Design through Process Space Analysis. - Chris Quintana; Jim Eng; Andrew Carra; Hsin-Kai Wu; Elliot Soloway (CHI, 1999)