Evaluating landmark attraction model in collaborative wayfinding in virtual learning environments. - Pekka Kallioniemi; Jaakko Hakulinen; Tuuli Keskinen; Markku Turunen; Tomi Heimonen; Laura Pihkala-Posti; Mikael Uusi-Mäkelä; Pentti Hietala; Jussi Okkonen; Roope Raisamo (MUM, 2013)

Collaborative navigation in virtual worlds: how gender and game experience influence user behavior. - Pekka Kallioniemi; Tomi Heimonen; Markku Turunen; Jaakko Hakulinen; Tuuli Keskinen; Laura Pihkala-Posti; Jussi Okkonen; Roope Raisamo (VRST, 2015)