L. Rossen

Proving (facts about) Ruby

Lars Rossen, L. Rossen, 1991 .

Cultural-historical activity theory and the zone of proximal development in the study of idioculture design and implementation

Lars Rossen, Robert Lecusay, Michael Cole, 2008, Cognitive Systems Research.

Cultural-historical activity theory and the zone of proximal development in the study of idioculture design and implementation

M. Cole, L. Rossen, Robert Lecusay, 2008, Cognitive Systems Research.

Play to Learn, Learn to Play: Boundary Crossing Within Zones of Proximal Development

L. Rossen, 2013 .