الفهرس 
الفصل الْول-الإطار العام للبحثيوجد فقط 14 صفحة متاحة للعرض العام
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المستخلص
The aim of the study is to develop the mathematics course for the first grade of secondary school in light of some post-constructivist theory models to develop the students’ systemic thinking and geometrical skills. The descriptive analytical.