Lesh, R. A., & Doerr, H. M. (2003). Beyond constructivism. Models and modeling perspectives on mathematics problem solving, learning and teaching. Lawrence Erlbaum Associates.
Chicago-Zitierstil (17. Ausg.)Lesh, Richard A., und Helen M. Doerr. Beyond Constructivism. Models and Modeling Perspectives on Mathematics Problem Solving, Learning and Teaching. Mahwah: Lawrence Erlbaum Associates, 2003.
MLA-Zitierstil (9. Ausg.)Lesh, Richard A., und Helen M. Doerr. Beyond Constructivism. Models and Modeling Perspectives on Mathematics Problem Solving, Learning and Teaching. Lawrence Erlbaum Associates, 2003.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.