برنامج مقترح لتنمية مهارات التفكير الناقد لدى طلاب الشعب العلمية بكلية التربية وأثره على أدائهم التدريسي The effectiveness of technology learning centers in developing some creative-thinking skills for hearing-impaired students in middle school. A Suggested Unit in Science Based on Technology Learning Centers to Develop Certain Visual Thinking Skills for hearing-impaired students in middle school.