Unraveling the gap between natural and rational numbers

: Wim Van Dooren, Erno Lehtinen, Lieven Verschaffel

: 2015

: Learning and Instruction

: 37

: 1

: 4

: 4

: 0959-4752

DOI: https://doi.org/10.1016/j.learninstruc.2015.01.001