Apat, A. A. (2006). Visual and manipulative techniques: Effects on pupil achievement and interest in learning fractions.
Chicago-viite (17. p.)Apat, Antonio A. Visual and Manipulative Techniques: Effects on Pupil Achievement and Interest in Learning Fractions. 2006.
MLA-viite (9. p.)Apat, Antonio A. Visual and Manipulative Techniques: Effects on Pupil Achievement and Interest in Learning Fractions. 2006.
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