TY - JOUR TI - The Teaching Moves of Robert B. Davis: Empowering Students in Their Problem-Solving Activity by Collaborating and Justifying: The Tower of Hanoi (TOH) Task DO - https://doi.org/doi:10.7282/t3-bjex-h668 AU - Baldev, Satyen P. AU - Maher, Carolyn PY - 2020-12-13T15:59:52-0400 ER -