Anghileri, J. (2007). Developing number sense: Progression in the middle years. Continuum.
Chicago-viite (17. p.)Anghileri, Julia. Developing Number Sense: Progression in the Middle Years. London: Continuum, 2007.
MLA-viite (9. p.)Anghileri, Julia. Developing Number Sense: Progression in the Middle Years. Continuum, 2007.
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