1- Al-Tinawy, Amir Said and Verdonk, Pascal. (2014). Developments of Medical and Bioengineering, King Saud University Press, pp. 498.
2- El-Shamy, Ahmed Mohamed. (2001): The Arabic Encyclopedia, Academic Library, Cairo, pp. 386.
3- Al-Yaghfori, Abdel Salam. (2010): Functional analysis, a theoretical study and its applications, King Fahd National Library, KSA, Riyadh, pp. 377.
4- Ezzat, Marwa and Nafady, Dina (2021): Fractals between theory and practice and its use in enriching the field of design, International Design Journal, Vol. 11, No. 3.
5- Attia, Ahmed Khalaf. (2013): The development of traditional handicrafts and heritage markets as an entry point for promoting cultural tourism, Tishreen University Research Journal, Vol. 35, No. 5, pp. 25.
6- Fikri, Maysa and Mahmoud, Talaat and Nabil, Shaima (2020). A proposed design system for applying the parametric design trend in women's printing fabrics, International Design Journal, Volume 11, Issue.1
7- Bridson, M. R. and Salamon, S.M. (2002). Invitations to Geometry and Topology, Oxford University Press, pp. 57.
8- Hale, N.C. (1980). Abstraction in Art and Nature, Watson, Gupill, New York, 1980, pp.57.
9- http://brickisland.net/cs177/wp-content/uploads/2011/10/ddg_surface_geometry.svg
10- https://mjaf.journals.ekb.eg/article_21743_3eb5c9571e997f23d0bbac16aa3715bf.pdf
11- https://platform.almanhal.com/Files/2/113287
12- https://www.dezeen.com/2009/08/25/astana -national -library -by-big 25 August 2009
13- https://www.marefa.org/%D9%85%D9%84%D9%81:Topologiapic3.jpg
14- McCluskey, A. and McMaster, B. (2014). Topology Course Lecture Notes Aisling McCluskey and Topology Atlas, Oxford University, pp.49.
15- Malcom, D.C. (1971). Design, Elements and Principles, Paris, Worcester, pp.98.
16- Munkres, J. (1999). Topology, (2nd edition ed.). Prentice Hall, ISBN 0-13-181629-2.
17- Pickover, C.A. (2006). The Möbius Strip: Dr. August Möbius's Marvelous Band in Mathematics, Games, Literature, Art, Technology, and Cosmology, ISBN 1-56025-826-8.
18- Viro,O.Y, Ivanov, O., Netsvetaev, N.YU. and Kharlamov, V.M, (2008). Elementary Topology, A First Course, Library of Congress Cataloging in Publication Data, pp.83.