Document Type : scientific articles
Authors
1 Applied arts, Helwan university, Cairo, Egypt.
2 استاذ تصميم الزجاج المعماري کليه الفنون التطبيقيه - جامعه حلوان
3 Department of Furniture Design and Metal Construction, Faculty of Applied Arts, Helwan University
4 Lecturer at the Glass Department - Faculty of Applied Arts - Helwan University
Abstract
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