1. Embodied Spatial Articulation: A Gesture Perspective on Student Negotiation Between Kinesthetic Schemas and Epistemic Forms in Learning Mathematics;Abrahamson,2004
2. Perspective-Taking and Object Construction: Two Keys to Learning;Ackermann,1996
3. Experiences of Artifacts: People's Appropriation, Objects' Affordances;Ackermann,2007
4. Designing Tangible Interfaces for Children's Collaboration;Africano,2004
5. DeFT: a conceptual framework for considering learning with multiple representations;Ainsworth;Learn. Instr.,2006