On Tools for Analysis of Collaborative Problem Solving. - Nikolaos M. Avouris; Vassilis Komis; Georgios Fiotakis; Meletis Margaritis (ICALT, 2003)

An environment for studying collaborative learning activities. - Nikolaos M. Avouris; Vassilis Komis; Meletis Margaritis; Georgios Fiotakis (J. Educ. Technol. Soc., 2004)

Mystery in the museum: collaborative learning activities using handheld devices. - Jorge Simarro Cabrera; Henar Muñoz Frutos; Adrian G. Stoica; Nikolaos M. Avouris; Yannis A. Dimitriadis; Georgios Fiotakis; Katerina Demeti Liveri (Mobile HCI, 2005)

Bridging the Gap between Physical and Abstract Worlds: Capturing Observed Phenomena in Abstract Models through MODELLINGSPACE. - Ioanna Papadimitriou; Georgios Fiotakis; Adrian G. Stoica; Vassilis Komis; Nikolaos M. Avouris (ICALT, 2006)

Using contrasting cases to relate collaborative processes and outcomes in CSCL. - Nikol Rummel; Cindy E. Hmelo-Silver; Armin Weinberger; Karsten Stegmann; Frank Fischer 001; Dejana Diziol; George Kahrimanis; Talia Guevara; Johannes Holz; Hans Spada; Georgios Fiotakis; Heisawn Jeong; et al. (ICLS (3), 2008)

Considering Cost in Usability Evaluation of Mobile Applications: Who, Where and When. - Georgios Fiotakis; Dimitrios Raptis; Nikolaos M. Avouris (INTERACT (1), 2009)