Student's Flexibility in Solving Two-Digit Addition and Subtraction Problems: Instruction Effects.

Autor: Blote, Anke W., Van der Burg, Eeke, Klein, Anton S.
Zdroj: Journal of Educational Psychology. Sep2001, Vol. 93 Issue 3, p627. 6p. 4 Diagrams, 7 Charts, 6 Graphs.
Databáze: Academic Search Ultimate