The progress Portfolio: promoting reflective inquiry in complex investigation environments. - Ben Loh; Josh Radinsky; Brian J. Reiser; Louis M. Gomez; Daniel C. Edelson; Eric Russell (CSCL, 1997)

The Progress Portfolio: Designing Reflective Tools for a Classroom Context. - Ben Loh; Josh Radinsky; Eric Russell; Louis M. Gomez; Brian J. Reiser; Daniel C. Edelson (CHI, 1998)

Technologies and tools to support informal science learning. - Heather Toomey Zimmerman; David E. Kanter; Kirsten Ellenbogen; Leilah Lyons; Steven J. Zuiker; Tom Satwicz; Sandra Toro Martell; Matthew Brown; Sherry Hsi; Brian K. Smith; Molly Phipps; Robert Jordan; et al. (ICLS, 2010)