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  • ghanbari.nasrin Study of Educational Plays Effect on Learning Concepts of Knowing and Comparing Number Mathematics in First-grade Girl Students of Shahr-e Ray [ Vol.3, Issue 4 - Autumn Year 2013]
  • Goudarzi.Reza Study of Educational Plays Effect on Learning Concepts of Knowing and Comparing Number Mathematics in First-grade Girl Students of Shahr-e Ray [ Vol.3, Issue 4 - Autumn Year 2013]