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Continue to ChatThe effect of instruction with concrete models on eighth grade students' geometry achievement and attitudes toward geometry - https://avesis.metu.edu.tr/advisingtheses/details/5a9fb96e-6119-4114-bf08-e2e005e0991e/the-effect-of-instruction-with-concrete-models-on-eighth-grade-students-geometry-achievement-and-attitudes-toward-geometry